| 200 U15 Men 2012 to 26.25 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | DOB | Coach | Club | Venue | Date | |
| 1 | 22.20 | | -1.5 | 21.97i | | Owin Sinclair | | 25.09.97 | Philip Evans | Charnwood | Bedford | 19 Aug 12 |  |
| 22.14 | w | 5.2 | | | | | | | | Stoke | 21 Apr 12 | |
| 2 | 22.46 | | -0.9 | 21.76i | | Ryan Gorman | | 09.04.98 | Andrew Ashley | Notts | Sportcity | 1 Sep 12 | |
| 3 | 22.69 | | 0.9 | 22.69 | PB | William Kennedy | | 21.10.97 | Colin Baross | Team Bath | Yate | 2 Sep 12 | |
 UK 10 TARGET: 22.70 |
| 4 | 22.83 | | -1.8 | 22.40i | | Sion Roberts | | 15.04.98 | Ian Broadhurst | Wrexham | Cardiff | 14 Jul 12 | |
| 5 | 22.88 | | 1.6 | 22.88 | PB | George Makombe | | 09.12.97 | | Aldershot, Farnham & District | Gateshead | 6 Jul 12 | |
| 6 | 22.94 | | 0.1 | 22.94 | PB | Abass Hemoh | | 09.09.97 | Coral Nourrice | Newham & Essex Beagles | Gateshead | 7 Jul 12 | |
| 7 | 22.97 | | 1.5 | 22.59 | | Dominic Burnham | | 02.03.98 | Barbara Clarke | Great Yarmouth | Gateshead | 6 Jul 12 | |
| 8 | 23.13 | | 1.6 | 23.13 | PB | Ezekiel Olusanya | | | | Herne Hill | Gateshead | 6 Jul 12 | |
| 9 | 23.19 | | -0.1 | 22.97i | | Sam Hamilton | | 23.08.98 | | Halesowen | Gateshead | 6 Jul 12 | |
| 10 | 23.30 | | -0.8 | 23.18i | | Owen Richardson | | 05.09.98 | John Davis | Basingstoke & Mid Hants | Portsmouth | 12 May 12 | |
| 11 | 23.3 | | | 23.19i | | Creston Harrison | | 01.09.97 | O'Neil Bartley | South London | Kingston | 6 May 12 | |
| 23.38 | | 1.6 | | | | | | | | Gateshead | 6 Jul 12 | |
| 11 | 23.3 | | | 23.68/23.3 | PB | Dan Marshall | | | | Nottinghamshire Schs | Derby | 18 Jun 12 | |
| 23.68 | | 1.5 | | | | | | | | Gateshead | 6 Jul 12 | |
| 13 | 23.32 | | -1.8 | 23.32/23.1 | PB | Daniel Omoregie | | 22.04.98 | Richard Thomas | Pembrokeshire | Cardiff | 14 Jul 12 | |
| 14 | 23.36 | | -0.8 | 22.24 | | Oliver Bromby | | 30.03.98 | Gary MacDonald Gray | Southampton | Watford | 14 Jul 12 | |
| 15 | 23.38 | | 1.5 | 23.38 | PB | Ethan Walker | | | Michelle Nicholas | Birchfield H | Gateshead | 6 Jul 12 | |
| 16 | 23.39 | | 2.0 | 23.39 | PB | Elliot Scott | | 26.03.98 | Norbert Rosser | Taunton | Yeovil | 13 May 12 | |
| 23.29 | w | 2.1 | | | | | | | | Exeter | 15 Jul 12 | |
| 16 | 23.39 | | 0.3 | 23.39 | PB | James Odeleye | | 16.01.98 | | Herne Hill | Tooting Bec | 15 Aug 12 | |
| 18 | 23.4 | | | 23.47/22.4 | | Tom Reynolds | | 15.10.97 | David Norton | Cwmbran | Bath | 6 May 12 | |
| 23.47 | | -1.8 | | | | | | | | Cardiff | 14 Jul 12 | |
| 18 | 23.4 | | | 23.50i/23.4 | PB | Rory Dwyer | | 11.10.97 | Paul Bearman | Stratford-upon-Avon | Rugby | 10 Jun 12 | |
| 18 | 23.4 | | | 23.64/23.4 | PB | Patrick Channings | | 13.11.97 | Adam Tofield | Tavistock | Par | 16 Jun 12 | |
| 23.64 | | 1.1 | | | | | | | | Street | 27 May 12 | |
| 18 | 23.4 | | | 23.54/23.4 | PB | Joshua Fearon-Ralph | | | | Croydon | Croydon | 15 Jul 12 | |
| 23.54 | | -0.9 | | | | | | | | Sportcity | 1 Sep 12 | |
| 18 | 23.4 | | 1.6 | 23.38 | | Owen Harnett | | 19.03.98 | Colin Baross | Team Bath | Yate | 2 Sep 12 | |
| 23.56 | | -0.1 | | | | | | | | Gateshead | 6 Jul 12 | |
| 18 | 23.4 | | | 23.23i/23.0 | | Brett Harrison | | 13.03.98 | Sonya Ellis | Yeovil | Bournemouth | 16 Sep 12 | |
| 23.84 | | 1.9 | | | | | | | | Exeter | 23 Jun 12 | |
| 24 | 23.46 | | -1.4 | 23.46 | PB | Temitope Adeyeye | | | | Enfield & Haringey | Bedford | 19 Aug 12 | |
| 25 | 23.47 | | 1.9 | 23.47 | PB | Ben Clarke | | 12.03.98 | David Warner | Cheltenham | Exeter | 23 Jun 12 | |
| 23.39 | w | 2.1 | | | | | | | | Exeter | 15 Jul 12 | |
| 26 | 23.5 | | | 23.63/22.9 | | Rob Page | | 22.09.97 | Trevor Raggett | Windsor Slough Eton & Hounslow | Bracknell | 6 May 12 | |
| 23.35 | w | 2.2 | | | | | | | | Basingstoke | 7 Apr 12 | |
| 23.63 | | -1.8 | | | | | | | | Watford | 25 Jul 12 | |
| 26 | 23.5 | | | 23.5 | PB | Jason Misso | | 17.12.97 | Catherine Walker | Herts Phoenix | Grays | 27 May 12 | |
| 26 | 23.5 | | | 24.10i/23.5 | PB | Timothy Kerr-Chin | | 28.09.97 | | Rugby & Northampton | Rugby | 17 Jun 12 | |
| 24.10 | i | | | | | | | | | Lee Valley | 2 Jan 12 | |
| 26 | 23.5 | | | 23.42/23.0 | | Matthew Pagan | | 15.01.98 | Daniel Gilroy | West Cheshire | Warrington | 26 Aug 12 | |
| 30 | 23.51 | | -1.4 | 23.51 | PB | Iwan Fesnoux | | 03.12.97 | | Epsom & Ewell | Bedford | 19 Aug 12 | |
| 30 | 23.51 | | 0.3 | 23.03/22.8 | | Daniel Luke | | 29.09.97 | Paul Weston | Croydon | Sportcity | 1 Sep 12 | |
| 32 | 23.53 | | -0.9 | 23.53 | PB | Owen Hargrave | | 03.09.97 | | Preston | Sportcity | 2 Sep 12 | |
| 33 | 23.6 | | | 24.00/23.6 | PB | Josh Chatee | | 07.10.97 | James Coney | Andover | Andover | 8 Jul 12 | |
| 24.28 | | -1.2 | | | | | | | | Bedford | 19 Aug 12 | |
| 33 | 23.6 | | | 25.12/23.6 | PB | Jaikan Wood | | 06.11.97 | | Notts | Cudworth | 8 Jul 12 | |
| 35 | 23.61 | | -0.1 | 23.61 | PB | Jermaine Graham | | 22.11.97 | Ivor Patrick Northey | Herne Hill | Tooting Bec | 21 Jul 12 | |
| 36 | 23.62 | | 1.5 | 23.62 | PB | Jacob Hanson | | | | Holmfirth | Gateshead | 6 Jul 12 | |
| 37 | 23.65 | | -0.9 | 23.65/23.6 | PB | Zachary Stapleton | | | | Rugby & Northampton | Sportcity | 2 Sep 12 | |
| 38 | 23.66 | | -0.1 | 23.66 | PB | Emilio Lavia | | 01.10.97 | Trevor Simcox | Brighton & Hove | Gateshead | 6 Jul 12 | |
| 38 | 23.66 | | 1.5 | 23.66 | PB | Tomas Goodman | | 25.09.97 | | Bristol & West | Gateshead | 6 Jul 12 | |
| 40 | 23.67 | | | 23.67 | PB | J Robinson | | | | Dorset Schs | Exeter | 23 Jun 12 | |
| 41 | 23.68 | | -1.2 | 23.64i | | Khristen McDermoth | | 18.02.98 | Juliet Kavanagh | Highgate | Bedford | 19 Aug 12 | |
| 42 | 23.70 | | 0.3 | 23.70 | PB | Shane Hughes | | 25.09.97 | Glyn Davies | Wrexham | Cardiff | 3 Jun 12 | |
| 42 | 23.70 | | | 23.05i | | Michael Olsen | | | | Edinburgh AC | Dunfermline | 9 Sep 12 | |
| 44 | 23.7 | | | 23.91/23.3 | | Mahmood Khaisto | | 05.01.98 | | S Factor | Ashford | 15 Apr 12 | |
| 23.91 | | 0.1 | | | | | | | | Crystal Palace | 1 Apr 12 | |
| 44 | 23.7 | | | 24.02/23.7 | PB | Ashley Sandall | | 23.09.97 | George Skafidas | Nene Valley | York | 9 Jun 12 | |
| 24.02 | | -0.1 | | | | | | | | Loughborough | 4 Jul 12 | |
| 44 | 23.7 | | | 23.79/23.5 | | Scott Rutter | | 08.10.97 | Graeme Gourlay | Poole AC | Poole | 16 Jun 12 | |
| 23.79 | | | | | | | | | | Exeter | 2 Sep 12 | |
| 44 | 23.7 | | | 23.78/22.6 | | Sean Crowie | | | | Hillingdon | Hillingdon | 19 Aug 12 | |
| 48 | 23.72 | | -0.8 | 23.72 | PB | Dereck Aguma | | 07.06.98 | | Dartford H | Watford | 14 Jul 12 | |
| 49 | 23.73 | | -1.8 | 23.73 | PB | Callum Morris | | 11.12.97 | Richard Thomas | Pembrokeshire | Cardiff | 14 Jul 12 | |
| 50 | 23.76 | i | | 23.29/22.4 | | Joe McGrath | | 09.09.97 | John Blackshaw | Doncaster | Sheffield | 15 Jan 12 | |
| 24.2 | | | | | | | | | | Doncaster | 16 Jun 12 | |
| 51 | 23.80 | | -2.1 | 23.23i | | Silvano Marcantonio | | 01.08.98 | | Edinburgh AC | Grangemouth | 8 Jun 12 | |
| 23.52 | w | 6.0 | | | | | | | | Edinburgh | 13 May 12 | |
| 51 | 23.80 | | 1.8 | 23.80 | PB | Courtney Austin | | | | Middlesex Schs | Hendon | 12 Jun 12 | |
| 53 | 23.8 | | | 26.78/23.8 | PB | Tunde Adewale | | 27.02.98 | | Bedford & County | Grays | 27 May 12 | |
| 53 | 23.8 | | | 23.90/23.8 | PB | Dylan Winstanley | | | | Greater Manchester Schs | Blackpool | 19 Jun 12 | |
| 23.90 | | -0.1 | | | | | | | | Gateshead | 6 Jul 12 | |
| 53 | 23.8 | | | 23.31 | | Rechmial Miller | | 27.06.98 | Mark Giraud | Hercules Wimbledon | Croydon | 15 Jul 12 | |
| 24.08 | | -1.2 | | | | | | | | Kingston | 13 May 12 | |
| 56 | 23.82 | | 1.0 | 23.01i | | Kesi Oludoyi | | 02.09.98 | | Harrow | Mile End | 13 May 12 | |
| 23.78 | w | 4.2 | | | | | | | | Lee Valley | 14 Apr 12 | |
| 57 | 23.84 | | 1.6 | 23.84 | PB | Sam Griffin | | 22.12.97 | Andy Woodward | Darlington H | Gateshead | 6 Jul 12 | |
| 58 | 23.85 | | -1.0 | 23.85 | PB | Ellerey Ireland | | 04.06.98 | Chas Robinson | Ashford AC | Lee Valley | 12 Sep 12 | |
| 59 | 23.89 | | 1.3 | 23.78i | | Rico Ewer | | 24.09.97 | | Rugby & Northampton | Sportcity | 2 Sep 12 | |
| 60 | 23.90 | | 1.8 | 23.90 | PB | Matthew Trickey | | 03.09.97 | | Yeovil | Exeter | 8 Jul 12 | |
| 61 | 23.9 | | | 23.9 | PB | Iquan Silcott | | 13.10.97 | Glenys Morton | Leicester | Peterborough | 20 May 12 | |
| 61 | 23.9 | | | 24.72/23.9 | PB | Reece Johnson | | 30.10.97 | | Birchfield H | Coventry | 17 Jun 12 | |
| 24.72 | | -0.9 | | | | | | | | Sportcity | 2 Sep 12 | |
| 61 | 23.9 | | | 24.67/23.9 | PB | Harrison King | | | | Chelmsford | Watford | 18 Jun 12 | |
| 24.67 | | -1.2 | | | | | | | | Bedford | 19 Aug 12 | |
| 61 | 23.9 | | | 23.87i | | Matthew Miller | | 10.02.98 | Trevor Fox | The Dearne ALC | Doncaster | 21 Jul 12 | |
| 24.36 | | -1.4 | | | | | | | | Bedford | 19 Aug 12 | |
| 65 | 23.93 | | -0.8 | 23.32 | | Robert Palmer | | 24.10.97 | Mark Upton | Winchester | Portsmouth | 12 May 12 | |
| 66 | 23.95 | | 1.8 | 23.93i | | Jack Churchill | | 11.12.98 | Sonya Ellis | Exeter | Exeter | 8 Jul 12 | |
| 67 | 23.96 | | -1.2 | 23.96 | PB | Cadeem Gordon | | 04.12.97 | | Wolverhampton & Bilston | Bedford | 19 Aug 12 | |
| 68 | 23.99 | | 1.3 | 23.99 | PB | Nick Stewart | | | Edwin Stevens | Enfield & Haringey | Sportcity | 2 Sep 12 | |
| 69 | 24.00 | | | 24.00 | PB | Lewis Price | | 10.02.98 | Alan Watt | North Shields Poly | Gateshead | 11 Jul 12 | |
| UK 100 TARGET: 24.00 |
| 70 | 24.0 | | | 23.68/23.0 | | Zac Barnsley | | 29.01.98 | Daniel Gilroy | West Cheshire | Warrington | 12 May 12 | |
| 24.47 | | -2.6 | | | | | | | | Wigan | 30 Jun 12 | |
| 70 | 24.0 | | | 24.54/24.0 | PB | Samuel Day | | 20.09.97 | Rick Betts | Middlesbrough (Mandale) | Middlesbrough | 20 May 12 | |
| 24.54 | | -4.3 | | | | | | | | Gateshead | 13 May 12 | |
| 70 | 24.0 | | | 23.46i | | Lloyd Riggall | | 08.02.99 | | Dartford H | Dartford | 30 Sep 12 | |
| 73 | 24.04 | | -0.9 | 24.04 | PB | Jamal Crawford | | 26.11.97 | | Sale Harriers Manchester | Sportcity | 2 Sep 12 | |
| 74 | 24.08 | i | | 24.08i | PB | Ajibola Aderemi | | 20.09.97 | Alf Vickers | Victoria Park & Tower Hamlets | Birmingham | 26 Feb 12 | |
| 24.69 | | 1.0 | | | | | | | | Mile End | 13 May 12 | |
| 75 | 24.1 | | | 24.26/24.1 | PB | Lathursan Vinayagamoorthy | | 09.09.98 | Joseph Richards | Victoria Park & Tower Hamlets | Parliament Hill | 6 May 12 | |
| 24.26 | | -0.1 | | | | | | | | Gateshead | 6 Jul 12 | |
| 75 | 24.1 | | | 23.72i | | Ashley Cooper | | 08.12.98 | Michael Utting | City of Norwich | Norwich | 12 May 12 | |
| 24.64 | i | | | | | | | | | Birmingham | 26 Feb 12 | |
| 24.98 | | -2.6 | | | | | | | | Cambridge | 2 Jun 12 | |
| 75 | 24.1 | | | 24.1 | PB | M Alnoor | | | | Hertfordshire Schs | Hemel Hempstead | 16 Jun 12 | |
| 75 | 24.1 | | | 25.04/24.1 | PB | Aidan Jarmson | | 23.12.97 | Martin Leyland | Shetland | Kirkwall | 17 Jun 12 | |
| 25.04 | | -2.6 | | | | | | | | Inverness | 12 May 12 | |
| 75 | 24.1 | | | 24.11/23.3 | | Ben Sutton | | 17.09.98 | Gill St Barbe | North Devon | Braunton | 1 Jul 12 | |
| 23.93 | w | 5.2 | | | | | | | | Exeter | 16 Jun 12 | |
| 24.11 | | 1.1 | | | | | | | | Street | 27 May 12 | |
| 75 | 24.1 | | | 24.76/24.1 | PB | Aron Pollock | | 23.03.98 | | Basildon | Stevenage | 8 Jul 12 | |
| 24.76 | | 2.0 | | | | | | | | Croydon | 20 May 12 | |
| 75 | 24.1 | | | 24.09i | | Tom Trotman | | 24.10.97 | John Penny | Cardiff | Stoke | 29 Jul 12 | |
| 75 | 24.1 | | | 24.01i | | Jaskaran Notta | | 28.11.97 | Michelle Nicholas | Birchfield H | Telford | 8 Sep 12 | |
| 24.82 | i | | | | | | | | | Birmingham | 19 Feb 12 | |
| 75 | 24.1 | | | 24.1 | PB | Luke White | | 29.11.97 | Martin Devine | Leigh | Blackpool | 23 Sep 12 | |
| 84 | 24.11 | | 1.8 | 24.11 | PB | Omari Stafford | | | | Middlesex Schs | Hendon | 12 Jun 12 | |
| 85 | 24.12 | | -0.6 | 23.36 | | Brandon McCarthy | | 09.11.98 | Michael Whittaker | Victoria Park & Tower Hamlets | Watford | 14 Jul 12 | |
| 86 | 24.15 | | | 23.48 | | Ryan James | | 04.09.97 | Helen Patricia James | Cardiff | Hereford | 21 Jul 12 | |
| 87 | 24.20 | | -1.2 | 24.20 | PB | Kingsley Cunningham | | 21.07.99 | | Edinburgh AC | Bedford | 19 Aug 12 | |
| 88 | 24.2 | | | 23.7 | | Jake Almond | | | | Blackburn | Blackburn | 6 May 12 | |
| 88 | 24.2 | | | 23.75 | | Lewis Paley | | 23.09.97 | David Shaw | Barnsley AC | Doncaster | 19 May 12 | |
| 24.46 | | | | | | | | | | Sheffield | 22 Apr 12 | |
| 88 | 24.2 | | | 24.05 | | Declan Sheehan | | 25.01.98 | Susan Taylor | Wakefield | York | 9 Jun 12 | |
| 24.92 | | | | | | | | | | Stretford | 4 Jun 12 | |
| 88 | 24.2 | | | 24.79/24.2 | PB | James Hilton | | 28.09.97 | Keith Bullock | Derby | Stoke | 26 Aug 12 | |
| 92 | 24.22 | i | | 24.22i | PB | Harry Hillman | | 07.09.98 | Georgina Bruce Williams | Cardiff | Emirates Arena | 1 Dec 12 | |
| 24.66 | | -1.6 | | | | | | | | Cardiff | 5 Aug 12 | |
| 93 | 24.25 | | 0.4 | 24.25 | PB | Kome Eleyae | | | | Woodford Green Essex Ladies | Woodford | 21 Apr 12 | |
| 93 | 24.25 | | 2.0 | 24.25 | PB | Ricardo King | | 28.12.97 | | Croydon | Croydon | 20 May 12 | |
| 93 | 24.25 | | 0.0 | 24.25 | PB | Sam Lawford | | 11.07.98 | | Hallamshire | Hull | 14 Jul 12 | |
| 96 | 24.26 | | | 24.26 | PB | Toby Harries | | | | Sussex Schs | Birmingham | 2 Jul 12 | |
| 97 | 24.27 | | -0.4 | 24.27 | PB | Jack Johnstone | | | | Shettleston | Grangemouth | 26 Aug 12 | |
| 97 | 24.27 | | -0.9 | 24.27 | PB | Dominic Weller | | | | Gateshead | Sportcity | 1 Sep 12 | |
| 99 | 24.30 | | | 24.30 | PB | Joshua Ford | | 08.09.97 | | Newport | Aberdare | 26 May 12 | |
| 100 | 24.3 | | | 26.94/24.3 | PB | Thomas Cheyne | | 02.02.99 | | Rugby & Northampton | Rugby | 10 Jun 12 | |
| 100 | 24.3 | | | 23.50 | | Ben Burton | | | | Bedford & County | Bedford | 13 Jun 12 | |
| 100 | 24.3 | | | 24.90/24.3 | PB | Luke Smith | | 22.04.98 | | Herts Phoenix | Hemel Hempstead | 16 Jun 12 | |
| 24.90 | | -0.9 | | | | | | | | Watford | 14 Jul 12 | |
| 100 | 24.3 | | | 24.34/24.3 | PB | Charlie Cooke | | 10.10.97 | | City of Stoke | Coventry | 17 Jun 12 | |
| 24.25 | w | 6.2 | | | | | | | | Stoke | 21 Apr 12 | |
| 24.34 | | 1.6 | | | | | | | | Gateshead | 6 Jul 12 | |
| 100 | 24.3 | | | 24.40/24.3 | PB | Alex McCluskey | | 28.09.97 | | Ealing, Southall & Middx | Kingston | 17 Jun 12 | |
| 24.40 | | 1.8 | | | | | | | | Hendon | 12 Jun 12 | |
| 100 | 24.3 | | | 24.3 | PB | Jevon Subramanian | | | | Hampshire Schs | Street | 20 Jun 12 | |
| 100 | 24.3 | | | 24.58/24.3 | PB | Ashley Gorton | | 29.07.98 | Davide Fogu | Horsham Blue Star | Horsham | 19 Aug 12 | |
| 24.0 | w | 2.7 | | | | | | | | Crawley | 12 May 12 | |
| 24.58 | | -2.0 | | | | | | | | Kingston | 23 Jun 12 | |
| 100 | 24.3 | | | 23.70i | | Tom Kenwright | | 04.11.97 | Mike Bennett | Worcester | Worcester | 2 Sep 12 | |
| 100 | 24.3 | | | 24.70i/24.3 | PB | Ewan Corbett | | 08.09.97 | | Central | Grangemouth | 15 Sep 12 | |
| 25.38 | | | | | | | | | | Grangemouth | 17 Jun 12 | |
| 109 | 24.32 | | -1.2 | 24.32 | PB | Michael Koiki | | 12.04.98 | | Ealing, Southall & Middx | Bedford | 19 Aug 12 | |
| 110 | 24.34 | | -0.6 | 24.34 | PB | David Webster | | | | Epsom & Ewell | Kingston | 16 Jun 12 | |
| 111 | 24.37 | | -0.8 | 24.37 | PB | Harvey Thompson | | 15.12.97 | George Ogilvie | Winchester | Portsmouth | 12 May 12 | |
| 112 | 24.40 | | | 24.40 | PB | Prosper Declan | | | | Sale Harriers Manchester | Stretford | 22 Apr 12 | |
| 113 | 24.4 | | | 26.27/24.4 | PB | Rashaun Hector | | 27.03.98 | | Wycombe | Bedford | 6 May 12 | |
| 113 | 24.4 | | | 27.86/24.4 | PB | Chris Bell-Hartley | | 02.12.97 | David Warner | Cheltenham | Cheltenham | 13 May 12 | |
| 113 | 24.4 | | 1.1 | 25.14/23.8 | | Connor Green | | | | Bracknell AC | Eton | 13 May 12 | |
| 25.14 | | -3.7 | | | | | | | | Abingdon | 26 May 12 | |
| 113 | 24.4 | | | 25.84/24.4 | PB | Kemar Thompson | | 01.01.99 | | Sale Harriers Manchester | Bebington | 20 May 12 | |
| 113 | 24.4 | | | 24.60/24.4 | PB | Callum Atkins | | 20.02.98 | | Sutton & District | Woking | 20 May 12 | |
| 24.60 | | -0.1 | | | | | | | | Woking | 2 Sep 12 | |
| 113 | 24.4 | | | 25.04i/24.4 | PB | James Pearson | | 25.10.98 | Karl Sumun | Thurrock | Grays | 27 May 12 | |
| 113 | 24.4 | | | 24.4 | PB | Joe Boyd | | | | Cleethorpes | Nottingham | 15 Jun 12 | |
| 113 | 24.4 | | | 23.41/23.4 | | Joshua Parry | | 31.10.97 | | Wycombe | High Wycombe | 16 Jun 12 | |
| 24.57 | | | | | | | | | | Wycombe | 23 Jun 12 | |
| 113 | 24.4 | | | 24.4 | PB | Adam Shaw | | 23.12.97 | | Rugby & Northampton | Leamington Spa | 16 Jun 12 | |
| 113 | 24.4 | | | 24.4 | PB | Edan Lodey | | | | Cornwall Schs | Par | 16 Jun 12 | |
| 113 | 24.4 | | | 24.4 | PB | A Wint | | | | West Midlands Schs | Tipton | 16 Jun 12 | |
| 113 | 24.4 | | | 24.28 | | Ben Tuka | | 12.09.97 | Kenneth Dworak | Dudley & Stourbridge | Brierley Hill | 17 Jun 12 | |
| 25.27 | | 0.3 | | | | | | | | Birmingham | 22 Apr 12 | |
| 113 | 24.4 | | | 25.71/24.4 | PB | Jordan Scott | | | | Mansfield | Corby | 17 Jun 12 | |
| 113 | 24.4 | | | 24.3 | | Thomas Lake | | 20.12.97 | Clive Poyner | City of Norwich | Bury St Edmonds | 1 Jul 12 | |
| 113 | 24.4 | | | 23.66 | | Ben Matsuka-Williams | | 28.03.98 | Michael Utting | City of Norwich | Bury St Edmonds | 1 Jul 12 | |
| 113 | 24.4 | | | 24.4 | PB | Lewis Ryan | | | Christopher Bowman | Medway & Maidstone | Erith | 1 Jul 12 | |
| 113 | 24.4 | | | 25.33/24.4 | PB | Ben Greenwood | | 24.09.98 | | Perth Strathtay | Dundee | 2 Sep 12 | |
| 25.33 | | | | | | | | | | Wishaw | 17 Jun 12 | |
| 113 | 24.4 | | | 24.04/23.2 | | Thomas Brown | | 12.11.97 | | Newark | Grantham | 2 Sep 12 | |
| 25.24 | | -2.8 | | | | | | | | Loughborough | 15 Apr 12 | |
| 113 | 24.4 | | | 23.82i/23.6 | | Conrad Bobb | | 24.05.98 | | Stevenage & North Herts | Stevenage | 16 Sep 12 | |
| 132 | 24.42 | | | 24.42 | PB | Jason Wu | | | | Giffnock North | Grangemouth | 6 May 12 | |
| 132 | 24.42 | | -0.5 | 23.81 | | Gabriel Ibitoye | | 05.03.98 | | Blackheath & Bromley | Kingston | 16 Jun 12 | |
| 23.85 | w | 2.9 | | | | | | | | Kingston | 16 Jun 12 | |
| 132 | 24.42 | | -0.9 | 24.42 | PB | Dotun Ayodele | | 26.03.98 | David Bruney | Blackheath & Bromley | Sportcity | 2 Sep 12 | |
| 135 | 24.48 | | -3.0 | 24.48 | PB | Garin Lougher | | | | Glamorgan Valleys Schs | Brecon | 7 Jul 12 | |
| 136 | 24.49 | | -1.6 | 24.49 | PB | Mason Lewis | | | | Gloucestershire Schs | Exeter | 23 Jun 12 | |
| 136 | 24.49 | | -0.5 | 24.49 | PB | Andrew Eleftheriou | | 08.11.97 | | Shaftesbury Barnet | Lee Valley | 12 Sep 12 | |
| 138 | 24.50 | | -2.1 | 24.50 | PB | Jake Roulstone | | | | Edinburgh AC | Grangemouth | 8 Jun 12 | |
| 24.10 | w | 6.0 | | | | | | | | Edinburgh | 13 May 12 | |
| 139 | 24.5 | | | 24.01 | | Kishon Allen | | 28.10.98 | | Herne Hill | Carshalton | 15 Apr 12 | |
| 24.56 | | -1.2 | | | | | | | | Kingston | 13 May 12 | |
| 139 | 24.5 | | | 24.79/23.9 | | Joe Terry | | | | Crewe & Nantwich | Warrington | 12 May 12 | |
| 24.79 | | | | | | | | | | Wigan | 30 Jun 12 | |
| 139 | 24.5 | | -2.3 | 24.5 | PB | Johnny Spencer | | | | Unattached | Wormwood Scrubs | 6 Jun 12 | |
| 139 | 24.5 | | | 24.5 | PB | C Price | | | | Lincolnshire Schs | Boston | 16 Jun 12 | |
| 139 | 24.5 | | | 26.85/24.5 | PB | Harry Cain | | 01.11.97 | Denise Timmis | Lincoln Wellington | Boston | 16 Jun 12 | |
| 139 | 24.5 | | | 24.5 | PB | C Green | | | | Berkshire Schs | Bracknell | 16 Jun 12 | |
| 139 | 24.5 | | | 24.5 | PB | Josh Southworth | | 21.10.98 | | Shaftesbury Barnet | Hemel Hempstead | 16 Jun 12 | |
| 139 | 24.5 | | | 24.55i/23.7 | | Alfie Rowett | | 26.12.97 | | Banbury | Abingdon | 17 Jun 12 | |
| 24.97 | | | | | | | | | | Horspath | 26 Aug 12 | |
| 139 | 24.5 | | | 27.74/24.5 | PB | George Palmer | | 20.06.98 | | Horsham Blue Star | Guildford | 17 Jun 12 | |
| 139 | 24.5 | | | 24.5 | PB | Hayden Finn | | 28.02.98 | | Telford AC | Stoke | 23 Jun 12 | |
| 139 | 24.5 | | | 24.5 | PB | Emmanuel Ogunleye | | | | Colchester & Tendring | Colchester | 1 Jul 12 | |
| 139 | 24.5 | | | 28.51/24.5 | PB | Danny Morgan | | 01.10.97 | Sean Price | Aberdare Valley | Cwmbran | 28 Jul 12 | |
| 139 | 24.5 | | | 24.44 | | James Ratcliffe | | 26.02.99 | | Sale Harriers Manchester | Stoke | 26 Aug 12 | |
| 25.27 | | -1.4 | | | | | | | | Horspath | 15 Aug 12 | |
| 152 | 24.51 | | -1.2 | 24.51 | PB | Ocean Schwartz | | 23.04.98 | | Holland Sports | Kingston | 13 May 12 | |
| 153 | 24.52 | | -0.3 | 24.52 | PB | Gethin Gibby | | 30.04.98 | | Carmarthen | Cardiff | 4 Jun 12 | |
| 153 | 24.52 | | 1.8 | 24.52 | PB | Romario Jonas | | | | Hillingdon | Hendon | 12 Jun 12 | |
| 155 | 24.53 | | 0.5 | 23.70i | | Sandy Wilson | | 04.01.98 | William Walker | Edinburgh AC | Grangemouth | 8 Jun 12 | |
| 24.25 | w | 6.0 | | | | | | | | Edinburgh | 13 May 12 | |
| 156 | 24.55 | | | 24.55 | PB | Jamie Hunter | | | | Northern Ireland Schs | Antrim | 19 May 12 | |
| 156 | 24.55 | | | 24.55 | PB | Reece Lynch | | 01.09.97 | | Solihull & Small Heath | Birmingham (Un) | 11 Jul 12 | |
| 158 | 24.58 | i | | 24.58i | PB | Max Price | | 09.10.98 | Norma Harris | Stevenage & North Herts | Emirates Arena | 1 Dec 12 | |
| 25.0 | | | | | | | | | | Sandy | 29 Sep 12 | |
| 159 | 24.59 | | -0.6 | 23.37i | | Morgan Amed | | 02.04.99 | Stewart Marshall | Coventry | Loughborough | 4 Jul 12 | |
| 159 | 24.59 | | 1.3 | 24.59 | PB | Jorden Carbado | | 22.04.98 | | Birchfield H | Sportcity | 2 Sep 12 | |
| 161 | 24.6 | | | 23.35i/23.3 | | Camron Lyttle | | 28.05.99 | Liz Slater | Bexley | Erith | 6 May 12 | |
| 161 | 24.6 | | | 24.99/24.6 | PB | Elliot Holland | | 23.10.97 | Paul Merrell | West Norfolk | Norwich | 12 May 12 | |
| 24.99 | | -2.2 | | | | | | | | Grangemouth | 26 Aug 12 | |
| 161 | 24.6 | | 0.4 | 24.68/24.0 | | Olywatobiloba Ogunjimi | | 16.01.98 | | Cambridge H | Battersea | 16 Jun 12 | |
| 161 | 24.6 | | | 27.81/24.6 | PB | Justin Leavers | | | | Hertfordshire Schs | Hemel Hempstead | 16 Jun 12 | |
| 161 | 24.6 | | | 24.6 | PB | M Bah | | | | Buckinghamshire Schs | High Wycombe | 16 Jun 12 | |
| 161 | 24.6 | | | 25.46/24.6 | PB | Ajibola Orilonishi | | 08.11.97 | Michael Whittaker | Victoria Park & Tower Hamlets | Watford | 18 Jun 12 | |
| 25.46 | | -1.5 | | | | | | | | Newham | 13 Jun 12 | |
| 161 | 24.6 | | | 24.6 | PB | David Elphinston | | | | Hereford & Worcestershire Schs | Tipton | 21 Jun 12 | |
| 161 | 24.6 | | | 25.22/24.6 | PB | Josh Arimoro | | 17.10.97 | David Pope | Rugby & Northampton | Tipton | 21 Jun 12 | |
| 161 | 24.6 | | | 25.57/24.6 | PB | Cooper Bent | | | | Hereford & Worcestershire Schs | Tipton | 21 Jun 12 | |
| 161 | 24.6 | | | 24.14 | | Lewis Renton | | 05.10.98 | Alan Childs | Leeds City | York | 23 Jun 12 | |
| 24.97 | | 0.3 | | | | | | | | Sportcity | 1 Sep 12 | |
| 161 | 24.6 | | | 24.81i/24.6 | PB | Bruce Sorbie | | 02.09.97 | | Aberdeen | Aberdeen | 12 Jul 12 | |
| 25.53 | | | | | | | | | | Grangemouth | 2 Jun 12 | |
| 161 | 24.6 | | | 24.6 | PB | Archie Braysford | | 04.12.98 | | Blackburn | Lancaster | 21 Jul 12 | |
| 161 | 24.6 | | | 25.35/24.0 | | Benson Craven | | 08.11.98 | Graham Holmes | Ipswich | Luton | 19 Aug 12 | |
| 25.35 | | -1.0 | | | | | | | | Lee Valley | 20 Jun 12 | |
| 161 | 24.6 | | | 26.03i/24.6 | PB | Lewis Robertson | | | | Arbroath & District | Dundee | 2 Sep 12 | |
| 26.03 | i | | | | | | | | | Glasgow | 9 Feb 12 | |
| 161 | 24.6 | | | 23.88/23.3 | | Bradley Tenuta | | 04.09.97 | | Windsor Slough Eton & Hounslow | Basingstoke | 15 Sep 12 | |
| 161 | 24.6 | | | 24.99/24.5 | | Samuel Wheeler | | 16.09.98 | Graeme Gourlay | Poole AC | Bournemouth | 16 Sep 12 | |
| 25.30 | | | | | | | | | | Yeovil | 22 Apr 12 | |
| 177 | 24.61 | | -1.5 | 24.61 | PB | Joshua Dalsan | | 16.08.98 | | Blackheath & Bromley | Hendon | 29 Jul 12 | |
| 178 | 24.62 | | -0.6 | 24.62 | PB | Harrison Caird | | 21.01.98 | Jim Lawrence | Marshall Milton Keynes | Watford | 14 Jul 12 | |
| 179 | 24.65 | | 0.0 | 24.55i/24.0 | | Benjamin Mattinson | | 13.12.98 | David Hourd | Notts | Loughborough | 4 Jul 12 | |
| 24.47 | w | 4.1 | | | | | | | | Leicester | 15 Jul 12 | |
| 180 | 24.66 | | 1.8 | 24.66 | PB | David Sadaghiani | | | | Barnet | Hendon | 12 Jun 12 | |
| 180 | 24.66 | | -0.4 | 24.30i | | Andrew Hunter | | 29.11.97 | Chris Baillie | Clydesdale | Grangemouth | 26 Aug 12 | |
| 180 | 24.66 | | | 24.66 | PB | Harry King | | 30.09.97 | Stephen Cottle | Torbay | Exeter | 2 Sep 12 | |
| 183 | 24.67 | | | 24.23i/23.5 | | Kuda Tapatapa | | 14.09.97 | Donald Mcintosh | Kilmarnock | Grangemouth | 17 Jun 12 | |
| 184 | 24.68 | | -1.6 | 24.68 | PB | Ryan Claudio | | | | Essex Schs | Chelmsford | 16 Jun 12 | |
| 184 | 24.68 | | -1.8 | 24.68 | PB | Ellis Wharton | | 26.09.98 | Kevin Williams | Newport | Cardiff | 14 Jul 12 | |
| 186 | 24.7 | | | 24.92/24.7 | PB | Jimmy Seacombe | | 15.10.97 | Alan Easey | Worthing | Sutton Valence | 6 May 12 | |
| 24.6 | w | 2.7 | | | | | | | | Crawley | 12 May 12 | |
| 186 | 24.7 | | | 26.20/24.7 | PB | Daniel Wong | | 17.10.97 | | City of Norwich | Norwich | 12 May 12 | |
| 186 | 24.7 | | | 25.93/24.7 | PB | Harry Richardson | | 19.09.97 | | Crewe & Nantwich | Bebington | 20 May 12 | |
| 25.93 | | | | | | | | | | Connah's Quay | 21 Apr 12 | |
| 186 | 24.7 | | -0.5 | 24.7 | PB | Lee Pritchard | | 22.09.97 | Dominic McNeillis | Halesowen | Stoke | 20 May 12 | |
| 186 | 24.7 | | | 24.82/24.7 | PB | Logan Powell | | 02.05.98 | Andrew Abbott | Sunderland | Jarrow | 23 May 12 | |
| 24.82 | | | | | | | | | | Gateshead | 11 Jul 12 | |
| 186 | 24.7 | | | 25.16/24.7 | PB | Juniour Kiongo | | | | Middlesex Schs | Hendon | 12 Jun 12 | |
| 25.16 | | 1.8 | | | | | | | | Hendon | 12 Jun 12 | |
| 186 | 24.7 | | -0.1 | 24.7 | PB | Luca Sanoh | | | | London Schs | Battersea | 16 Jun 12 | |
| 186 | 24.7 | | 1.0 | 24.7 | PB | Luca Oriogun | | | | London Schs | Battersea | 16 Jun 12 | |
| 186 | 24.7 | | | 24.35i/23.7 | | Julian Richardson | | 26.01.98 | | Gloucester | Cheltenham | 16 Jun 12 | |
| 186 | 24.7 | | | 24.7 | PB | P Farlie | | | | Cheshire Schs | Macclesfield | 16 Jun 12 | |
| 186 | 24.7 | | | 24.7 | PB | Alex Taylor | | | | Team Bath | Salisbury | 16 Jun 12 | |
| 186 | 24.7 | | | 24.7 | PB | M Floyd | | | | Oxfordshire Schs | Abingdon | 17 Jun 12 | |
| 186 | 24.7 | | | 24.7 | PB | Ryan Lowe | | 28.01.98 | | Dudley & Stourbridge | Brierley Hill | 17 Jun 12 | |
| 186 | 24.7 | | | 26.71i/24.7 | PB | Brandon Wallace | | 06.04.99 | Debbie Cook | Herne Hill | Harrow | 17 Jun 12 | |
| 186 | 24.7 | | | 24.4 | | Callum Shaw | | 04.09.98 | | City of Stoke | Tamworth | 27 Jun 12 | |
| 186 | 24.7 | | | 24.7 | PB | William Hanshaw Green | | 04.09.97 | | Colchester & Tendring | Bedford | 8 Jul 12 | |
| 186 | 24.7 | | | 24.7 | PB | Jack Spence | | 03.10.97 | Ian Wilcock | City of York | York | 15 Jul 12 | |
| 186 | 24.7 | | | 24.7 | PB | Cai Holdsworth | | | | North East Wales Schs | Connah's Quay | 21 Jul 12 | |
| 186 | 24.7 | | | 25.09/24.7 | PB | Billy Salt | | | | Rotherham | Doncaster | 21 Jul 12 | |
| 25.09 | | | | | | | | | | Sheffield | 22 Apr 12 | |
| 186 | 24.7 | | | 23.9 | | Danny Nicholls | | 10.09.97 | | Bromsgrove & Redditch | Kettering | 21 Jul 12 | |
| 186 | 24.7 | | | 25.77/24.7 | PB | Harris Weston | | 01.10.98 | | Rossendale | Blackpool | 25 Aug 12 | |
| 25.86 | | | | | | | | | | Stretford | 22 Apr 12 | |
| 186 | 24.7 | | | 24.07 | | Ryan Brackstone | | 27.02.99 | | Bracknell AC | Basingstoke | 15 Sep 12 | |
| 186 | 24.7 | | | 25.43i/24.7 | PB | Euan Lambert | | 09.03.98 | | Central | Grangemouth | 15 Sep 12 | |
| 25.77 | | | | | | | | | | Grangemouth | 6 May 12 | |
| 209 | 24.71 | | -4.0 | 24.71 | PB | N Pitula | | | | Essex Schs | Chelmsford | 16 Jun 12 | |
| 210 | 24.72 | | -3.0 | 24.72 | PB | Dylan Palmer | | | | Cardiff & The Vale Schs | Brecon | 7 Jul 12 | |
| 211 | 24.73 | | 1.9 | 24.73 | PB | Tim Williams | | 24.12.97 | | Carmarthen | Brecon | 19 Aug 12 | |
| 212 | 24.75 | | -1.6 | 24.75 | PB | Benedict Sutton | | | | Devon Schs | Exeter | 23 Jun 12 | |
| 213 | 24.76 | | -1.7 | 23.34/23.2 | | Nicholas Hendrix | | 09.11.97 | Nigel Mccarthy | St. Mary's Richmond | Eton | 24 May 12 | |
| 213 | 24.76 | | 1.8 | 24.76 | PB | Adu Ntow | | | | Barnet | Hendon | 12 Jun 12 | |
| 215 | 24.77 | | -0.9 | 24.74i/24.5 | | Callum Davies | | 30.11.98 | Colin Davies | Swansea | Sportcity | 1 Sep 12 | |
| 216 | 24.79 | i | | 24.48i | | Nilrem Stewart | | | Andre Fernandez | Thames Valley | Lee Valley | 4 Mar 12 | |
| 24.71 | w | 4.2 | | | | | | | | Lee Valley | 14 Apr 12 | |
| 24.87 | | 1.0 | | | | | | | | Mile End | 13 May 12 | |
| 25.1 | | | | | | | | | | Kingston | 6 May 12 | |
| 217 | 24.80 | | | 24.80 | PB | Ewan Johnston | | 06.11.97 | Ricky Miell | Kilbarchan | Grangemouth | 6 May 12 | |
| 217 | 24.80 | | 2.0 | 24.80 | PB | Dillon Palmer | | | | Tonbridge | Croydon | 20 May 12 | |
| 219 | 24.8 | | | 26.58/24.6 | | Tchai Codrington | | 04.05.98 | | Orion | Erith | 6 May 12 | |
| 219 | 24.8 | | | 25.04/24.8 | PB | James Lloyd | | 12.01.98 | | Chiltern | Lee Valley | 6 May 12 | |
| 25.04 | | -0.4 | | | | | | | | Bracknell | 31 Mar 12 | |
| 219 | 24.8 | | | 25.86/24.7 | | Wilson Aduntow | | 11.11.98 | | Shaftesbury Barnet | Lee Valley | 6 May 12 | |
| 219 | 24.8 | | | 24.8 | PB | Hayden Heath | | | | Tipton | Wrexham | 6 May 12 | |
| 219 | 24.8 | | | 25.51/24.8 | PB | Rhys Camis | | 25.08.98 | | Lewes | Hastings | 20 May 12 | |
| 24.1 | w | 2.7 | | | | | | | | Crawley | 12 May 12 | |
| 25.51 | | 1.7 | | | | | | | | Crawley | 8 Apr 12 | |
| 219 | 24.8 | | -0.5 | 24.8 | PB | Max Waterhouse | | | | City of Stoke | Stoke | 20 May 12 | |
| 219 | 24.8 | | | 24.7 | | Jason King | | 11.12.97 | | Ipswich | Grays | 27 May 12 | |
| 219 | 24.8 | | | 24.8 | PB | Luke Leon | | 13.09.98 | | Enfield & Haringey | Hemel Hempstead | 27 May 12 | |
| 219 | 24.8 | | | 25.95/24.8 | PB | Lawrence Fuller | | 07.01.98 | | Ipswich | Southend | 10 Jun 12 | |
| 25.95 | | -2.4 | | | | | | | | Peterborough | 23 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | J Scott | | | | Nottinghamshire Schs | Nottingham | 15 Jun 12 | |
| 219 | 24.8 | | -0.1 | 24.96/24.8 | PB | Stephen Ubah | | 02.11.97 | | Thames Valley | Battersea | 16 Jun 12 | |
| 24.96 | | -2.3 | | | | | | | | Wormwood Scrubs | 6 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | Alex Andrews | | | | South Yorkshire Schs | Doncaster | 16 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | Seun Coker | | | | Buckinghamshire Schs | High Wycombe | 16 Jun 12 | |
| 219 | 24.8 | | | 25.37/24.8 | PB | Fraser Ellis-Jenkinson | | 16.01.98 | | Dacorum & Tring | High Wycombe | 16 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | H Harlow | | | | Cheshire Schs | Macclesfield | 16 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | R DeGroot | | | | North Yorkshire Schs | York | 16 Jun 12 | |
| 219 | 24.8 | | | 24.8 | PB | Kristian Kristian | | | | Highgate | Mile End | 17 Jun 12 | |
| 219 | 24.8 | | | 25.51/24.8 | PB | Jonathan Gaze | | | Averil Hewitt | Team Kennet | Andover | 8 Jul 12 | |
| 25.51 | | 1.0 | | | | | | | | Basingstoke | 7 Apr 12 | |
| 219 | 24.8 | | | 24.64i | | Nikita Neary | | 18.11.97 | Delyth Brown | Carmarthen | Brecon | 21 Jul 12 | |
| 219 | 24.8 | | | 24.58 | | Shay Walker | | 28.09.97 | Martin Bishell | City of Sheffield | Doncaster | 21 Jul 12 | |
| 25.76 | | | | | | | | | | Stretford | 27 Aug 12 | |
| 219 | 24.8 | | | 26.45/24.3 | | Patrick Sylla | | 10.10.98 | Zac Kerin | Bournemouth | Bournemouth | 22 Jul 12 | |
| 219 | 24.8 | | | 24.2i | | Freddie Rooke | | 23.05.99 | Linda Nicholson | Gala | Grangemouth | 4 Aug 12 | |
| 219 | 24.8 | | | 24.8 | PB | Lawrence Omorere | | | | Blackpool, Wyre & Fylde | Blackpool | 25 Aug 12 | |
| 219 | 24.8 | | | 24.8 | PB | Bradley Thomas | | | | Kidderminster & Stourport | Telford | 8 Sep 12 | |
| 219 | 24.8 | | | 26.15/24.8 | PB | Daniel Minamore | | | | Birchfield H | Telford | 8 Sep 12 | |
| 244 | 24.84 | | -0.6 | 24.17 | | Dominic Singh | | 05.09.98 | | Kingston upon Hull | Loughborough | 4 Jul 12 | |
| 244 | 24.84 | | -3.0 | 24.84 | PB | Cai Holdworth | | | | Eryri | Brecon | 7 Jul 12 | |
| 244 | 24.84 | | | 24.65i | | Tom Chandler | | 19.09.97 | Kenneth Pearson | Central | Perth | 23 Sep 12 | |
| 24.8 | w | 4.5 | | | | | | | | Grangemouth | 1 Sep 12 | |
| 247 | 24.86 | | | 24.86 | PB | Olly Mehew | | 03.11.97 | | Bristol & West | Exeter | 23 Jun 12 | |
| 24.44 | w | 5.2 | | | | | | | | Yate | 16 Jun 12 | |
| 248 | 24.87 | i | | 23.96i | | Jordan Lloyd | | 09.12.98 | Sharon Morris | Birchfield H | Birmingham | 12 Feb 12 | |
| 25.30 | | 0.3 | | | | | | | | Birmingham | 22 Apr 12 | |
| 25.3 | | | | | | | | | | Coventry | 6 May 12 | |
| 248 | 24.87 | | 0.5 | 24.87 | PB | Scott Thompson | | | | Scottish Schs | Grangemouth | 8 Jun 12 | |
| 250 | 24.88 | | -0.8 | 24.88 | PB | Harrison Smith | | 18.09.97 | | Isle of Wight | Portsmouth | 12 May 12 | |
| 250 | 24.88 | | -2.1 | 24.88 | PB | Aron Rugg | | | | Basildon | Ashford | 17 Jun 12 | |
| 252 | 24.89 | | | 24.65i/24.5 | | Lewis Thorne | | 01.05.98 | | Oxford City | Horspath | 22 Jul 12 | |
| 252 | 24.89 | | | 24.72/24.1 | | Andrew Smith | | | | Inverness | Inverness | 19 Aug 12 | |
| 254 | 24.90 | | | 24.90 | PB | Peter Tipping | | | | City of Lisburn | Antrim | 7 Jul 12 | |
| 255 | 24.9 | | | 24.9 | PB | Jacob Fashoni | | 22.12.97 | Doddridge Benjamin | Queens Park | Parliament Hill | 20 May 12 | |
| 255 | 24.9 | | | 24.7 | | Collins Alfred | | | | Chichester | Horsham | 25 May 12 | |
| 255 | 24.9 | | | 26.68/24.9 | PB | Jorge Collings | | 04.10.97 | | Pembrokeshire | Neath | 26 May 12 | |
| 255 | 24.9 | | | 25.00/24.9 | PB | Oliver O'Sahon-Lubel | | 05.10.98 | | Enfield & Haringey | Lee Valley | 10 Jun 12 | |
| 24.89 | w | 2.1 | | | | | | | | Lee Valley | 6 Jun 12 | |
| 25.00 | | -0.4 | | | | | | | | Hendon | 29 Jul 12 | |
| 255 | 24.9 | | | 24.9 | PB | K Howard | | | | Berkshire Schs | Bracknell | 16 Jun 12 | |
| 255 | 24.9 | | | 24.9 | PB | Mamudo Faiti | | | | Carlisle Aspatria | Carlisle | 16 Jun 12 | |
| 255 | 24.9 | | -1.1 | 24.9 | PB | George Palmer | | | | Sussex Schs | Crawley | 16 Jun 12 | |
| 255 | 24.9 | | | 24.9 | PB | Jack William Utton | | | | Team Bath | Salisbury | 16 Jun 12 | |
| 255 | 24.9 | | | 24.9 | PB | Daniel Davie | | | | Halifax | Tipton | 16 Jun 12 | |
| 255 | 24.9 | | | 24.91/24.9 | PB | Lewis Dinsdale | | 23.09.97 | Dianne Mackenzie | Inverness | Aberdeen | 17 Jun 12 | |
| 24.79 | w | 3.3 | | | | | | | | Grangemouth | 29 Jul 12 | |
| 25.03 | | 0.9 | | | | | | | | Inverness | 19 Aug 12 | |
| 255 | 24.9 | | | 28.07/24.9 | PB | George Miller | | 02.01.98 | Les Hall | Bolton | Wigan | 17 Jun 12 | |
| 255 | 24.9 | | | 24.9 | PB | Edward Hutton | | 12.02.98 | | Sutton & District | Chelmsford | 30 Jun 12 | |
| 255 | 24.9 | | | 25.75/24.9 | PB | Adam Jones | | 08.10.98 | Erik Little | Southampton | Poole | 1 Jul 12 | |
| 25.75 | | -0.8 | | | | | | | | Portsmouth | 12 May 12 | |
| 255 | 24.9 | | | 24.36 | | Alex Roberts | | | | Croydon | Croydon | 15 Jul 12 | |
| 25.24 | | 1.1 | | | | | | | | Croydon | 20 May 12 | |
| 255 | 24.9 | | | 24.9 | PB | James Warrender | | | | Cleethorpes | Scunthorpe | 21 Jul 12 | |
| 255 | 24.9 | | | 24.9 | PB | Ben Cave | | 21.11.98 | | Ealing, Southall & Middx | Perivale | 18 Aug 12 | |
| 255 | 24.9 | | | 24.9 | PB | William Lord | | 12.09.97 | | Ealing, Southall & Middx | Perivale | 18 Aug 12 | |
| 255 | 24.9 | | | 25.09/24.9 | PB | Lewis Ebanks | | 14.09.98 | | Cambridge & Coleridge | Cambridge | 19 Aug 12 | |
| 255 | 24.9 | | | 25.23/24.9 | PB | Peter Bent | | 18.12.97 | | Basingstoke & Mid Hants | Hillingdon | 19 Aug 12 | |
| 25.23 | | -1.7 | | | | | | | | Basingstoke | 30 May 12 | |
| 255 | 24.9 | | | 24.9 | PB | Nathaniel Smith | | | | Enfield & Haringey | Ware | 19 Aug 12 | |
| 255 | 24.9 | | -1.1 | 25.71/24.9 | PB | Daniel Snelling | | 17.10.98 | | Newport | Swansea | 26 Aug 12 | |
| 25.71 | | | | | | | | | | Aberdare | 26 May 12 | |
| 255 | 24.9 | | | 25.66/24.9 | PB | Tyrell Dankwa | | 27.10.97 | | Marshall Milton Keynes | Milton Keynes | 9 Sep 12 | |
| 25.66 | | -1.3 | | | | | | | | Horspath | 13 May 12 | |
| 255 | 24.9 | | | 24.9 | PB | Sam Mattocks | | | | West Yorkshire Schs | Wakefield | 9 Sep 12 | |
| 278 | 24.91 | | | 24.91/24.4 | PB | James McCarroll | | 05.01.99 | | Forth Valley | Manchester (SC) | 30 Jun 12 | |
| 278 | 24.91 | | -2.6 | 23.95i | | Joe Milton | | 29.09.98 | Raymond Twentyman | Liverpool Pembroke Sefton | Wigan | 30 Jun 12 | |
| 24.35 | w | 3.7 | | | | | | | | Liverpool | 12 May 12 | |
| 280 | 24.93 | | -2.3 | 24.93 | PB | Pierre Goualin | | | | Ealing, Southall & Middx | Wormwood Scrubs | 6 Jun 12 | |
| 280 | 24.93 | | 0.4 | 24.93 | PB | Marcel Taylor | | | | Orion | Woodford | 21 Aug 12 | |
| 282 | 24.95 | | 0.5 | 24.95 | PB | Drew Davidson | | 02.05.98 | | Fife | Grangemouth | 8 Jun 12 | |
| 282 | 24.95 | | -2.6 | 24.95 | PB | Robert Gray | | 28.11.97 | | Sleaford | Wigan | 30 Jun 12 | |
| 284 | 24.96 | | -0.3 | 24.96 | PB | Lucas Overtoom | | | | Reigate Priory | Tooting Bec | 14 Apr 12 | |
| 284 | 24.96 | | | 24.96/24.7 | PB | Zack Smith | | 09.09.97 | Angela Briscoe | White Horse | Horspath | 27 May 12 | |
| 284 | 24.96 | | | 24.96 | PB | Rory Anderson | | 23.10.97 | Vicky Huyton | Blackpool, Wyre & Fylde | Wigan | 30 Jun 12 | |
| 287 | 24.98 | | | 24.98 | PB | Andrew Condon | | 04.10.98 | | Slough Junior | Horspath | 27 May 12 | |
| 287 | 24.98 | | 1.4 | 24.98 | PB | Ben Wells | | 14.10.97 | | Yate | Yate | 2 Sep 12 | |
| 289 | 24.99 | | | 24.74 | | Jack Keane | | 03.01.98 | Paul Young | Colchester H | Southend | 28 Apr 12 | |
| 24.89 | w | 3.4 | | | | | | | | Southend | 28 Apr 12 | |
| 290 | 25.00 | | -0.6 | 25.00 | PB | Ryan McCartney | | | | Surrey Schs | Kingston | 16 Jun 12 | |
| 291 | 25.0 | | | 25.30i/25.0 | PB | Joseph Burton | | 21.12.97 | Christopher Bowman | Medway & Maidstone | Ashford | 15 Apr 12 | |
| 25.30 | i | | | | | | | | | Lee Valley | 26 Feb 12 | |
| 26.16 | | -2.7 | | | | | | | | Ashford | 13 May 12 | |
| 291 | 25.0 | | | 25.60/24.4 | | Emmanuel Owolabi | | 19.06.98 | | Luton | St Albans | 29 Apr 12 | |
| 25.60 | | -3.5 | | | | | | | | Abingdon | 26 May 12 | |
| 291 | 25.0 | | | 25.20/25.0 | PB | Nick Entwhistle | | | | Hereford | Telford | 12 May 12 | |
| 25.20 | | | | | | | | | | Hereford | 21 Jul 12 | |
| 291 | 25.0 | | | 25.0 | PB | Oliver Ratcliffe | | 06.09.97 | | Bury | Clayton le Moor | 20 May 12 | |
| 291 | 25.0 | | | 25.32/25.0 | PB | Christopher Johnson | | 01.09.97 | | Bingley | Grimsby | 20 May 12 | |
| 25.32 | | | | | | | | | | Wakefield | 21 Jul 12 | |
| 291 | 25.0 | | | 25.17/25.0 | PB | James Strudwick | | 14.09.97 | Leroy Elliott | City of Portsmouth | Guildford | 20 May 12 | |
| 25.17 | | | | | | | | | | Portsmouth | 12 May 12 | |
| 291 | 25.0 | | | 25.0 | PB | B ILUNGA | | | | Bedfordshire Schs | Bedford | 13 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | Josh Chantee | | | | Hampshire Schs | Aldershot | 16 Jun 12 | |
| 291 | 25.0 | | | 24.35i | | Jack Lightfoot | | 28.10.97 | | Cheltenham | Cheltenham | 16 Jun 12 | |
| 24.93 | w | 4.2 | | | | | | | | Exeter | 23 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | W Wilson | | | | Durham Schs | Jarrow | 16 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | George Claverley | | | | Wiltshire Schs | Salisbury | 16 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | J Lloyd | | | | West Midlands Schs | Tipton | 16 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | D Wades | | | | Oxfordshire Schs | Abingdon | 17 Jun 12 | |
| 291 | 25.0 | | | 24.1 | | Connor Aldridge | | 06.08.98 | | Daventry | Sutton Coldfield | 17 Jun 12 | |
| 291 | 25.0 | | | 25.0 | PB | Stephan Haviland | | | | Nottinghamshire Schs | Derby | 18 Jun 12 | |
| 291 | 25.0 | | | 24.37 | | Arnold Mensuoh | | | Juliet Kavanagh | Highgate | Mile End | 19 Jun 12 | |
| 291 | 25.0 | | | 25.59/25.0 | PB | Joseph Ellis | | 11.10.98 | | Chelmsford | Chelmsford | 8 Jul 12 | |
| 291 | 25.0 | | | 25.25/25.0 | PB | Daniel Hubble | | 17.11.97 | | Cornwall | Carn Brea | 19 Aug 12 | |
| 24.76 | w | 2.1 | | | | | | | | Exeter | 15 Jul 12 | |
| 25.25 | | | | | | | | | | Exeter | 2 Sep 12 | |
| 291 | 25.0 | | | 24.54/24.5 | | Ryan Savery | | 10.07.98 | Kevin Boyle | Reading AC | Hillingdon | 19 Aug 12 | |
| 25.04 | | -0.4 | | | | | | | | Woking | 2 Sep 12 | |
| 291 | 25.0 | | | 25.0 | PB | Alex Burrows | | 14.09.97 | | Telford AC | Telford | 8 Sep 12 | |
| 291 | 25.0 | | | 23.73i | | Lee Westley | | 13.05.98 | Jim Lawrence | Marshall Milton Keynes | Milton Keynes | 9 Sep 12 | |
| 291 | 25.0 | | | 26.70/25.0 | PB | Cory McCraken | | 01.10.97 | | Bracknell AC | Basingstoke | 15 Sep 12 | |
| 313 | 25.02 | | | 25.02 | PB | Ryan Hall | | | | City of Lisburn | Bangor | 26 May 12 | |
| 313 | 25.02 | | -1.8 | 25.02 | PB | Rhys Young | | 06.03.98 | | Bridgend | Cardiff | 14 Jul 12 | |
| 313 | 25.02 | | -1.8 | 25.02 | PB | Will Osmond | | | | Hertfordshire Schs | Watford | 25 Jul 12 | |
| 316 | 25.04 | | -0.4 | 25.04 | PB | Craig Smith | | | | Tweed, Leader, Jed Track | Grangemouth | 26 Aug 12 | |
| 24.71 | w | 3.9 | | | | | | | | Edinburgh | 8 Apr 12 | |
| 317 | 25.06 | | -1.5 | 25.06 | PB | Michelangelo Buter | | 01.11.98 | Dennis Daly | Windsor Slough Eton & Hounslow | Hendon | 29 Jul 12 | |
| 318 | 25.10 | | 0.7 | 24.50/24.0 | | Rhys Francis | | 09.05.98 | | S Factor | Crystal Palace | 1 Apr 12 | |
| 318 | 25.10 | | -0.9 | 24.25 | | Israel Dore | | 28.11.98 | | Leeds City | Sportcity | 1 Sep 12 | |
| 320 | 25.1 | | | 25.20/25.1 | PB | Liam Kelland | | | Stephen Endacott | City of Plymouth | Plymouth | 1 Apr 12 | |
| 24.63 | w | 2.1 | | | | | | | | Exeter | 15 Jul 12 | |
| 25.23 | | 1.0 | | | | | | | | Exeter | 14 Apr 12 | |
| 320 | 25.1 | | | 24.97 | | Taylor Hartman | | 17.09.97 | | Chelmsford | Norwich | 22 Apr 12 | |
| 320 | 25.1 | | | 25.1 | PB | Jack Dickinson | | | | Unattached | Warrington | 12 May 12 | |
| 320 | 25.1 | | | 25.68i/25.1 | PB | Tom Boggon | | 11.04.98 | Ian Burrows | Biggleswade | Bedford | 13 May 12 | |
| 25.68 | i | | | | | | | | | Lee Valley | 21 Jan 12 | |
| 320 | 25.1 | | | 25.1 | PB | Tobi Oguujiu | | | | Greenwich Tritons | Eltham | 16 May 12 | |
| 320 | 25.1 | | | 25.67/25.1 | PB | Jamie Canning | | 13.03.98 | Mike Cooke | Doncaster | Doncaster | 19 May 12 | |
| 25.67 | | | | | | | | | | Wakefield | 17 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Adam Gordon | | | | Team Bath | Yeovil | 20 May 12 | |
| 320 | 25.1 | | | 25.73/25.1 | PB | Johnathan McGuire | | | | Central | Grangemouth | 24 May 12 | |
| 25.73 | | | | | | | | | | Grangemouth | 17 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Lewis Watts | | 16.04.98 | | Pembrokeshire | Neath | 26 May 12 | |
| 320 | 25.1 | | | 25.1 | PB | Phillipe Hounto | | | | Harrow | Hendon | 12 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | R BUNN | | | | Northamptonshire Schs | Corby | 16 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | D Hanson | | | | Cheshire Schs | Macclesfield | 16 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | H Ceylon | | | | Dorset Schs | Poole | 16 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Andrew Butt | | | | Wiltshire Schs | Salisbury | 16 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Conner Wood | | | | Wolverhampton & Bilston | Coventry | 17 Jun 12 | |
| 320 | 25.1 | | | 24.59i | | Marlon Hogg-Williams | | 27.10.98 | | Harrow | Harrow | 17 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Fola Jimi Oluborode | | 14.09.97 | | Sale Harriers Manchester | Sportcity | 17 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Chris Annous | | 18.11.98 | | London Schs | Mile End | 19 Jun 12 | |
| 320 | 25.1 | | | 25.66/25.1 | PB | Max Steward | | 13.04.98 | | East Cheshire | Ashton-Under-Lyne | 8 Jul 12 | |
| 25.66 | | -2.5 | | | | | | | | Stretford | 16 Jun 12 | |
| 320 | 25.1 | | | 24.3i | | Ali Rogers | | 07.01.98 | | Harrogate | York | 15 Jul 12 | |
| 320 | 25.1 | | | 25.55/25.1 | PB | Fraser Cobb | | 18.03.98 | | Crawley | Horsham | 20 Jul 12 | |
| 320 | 25.1 | | | 25.1 | PB | Earl Fearon | | 22.02.99 | | Coventry | Nuneaton | 21 Jul 12 | |
| 320 | 25.1 | | | 24.1 | | Ben Gordon | | | | City of Plymouth | Carn Brea | 19 Aug 12 | |
| 320 | 25.1 | | | 25.1 | PB | Andre Brown | | 01.11.97 | | Windsor Slough Eton & Hounslow | Hillingdon | 19 Aug 12 | |
| 320 | 25.1 | | | 25.04i | | Douglas Mason | | | | Shettleston | Crownpoint | 21 Aug 12 | |
| 25.98 | | | | | | | | | | Grangemouth | 10 Jun 12 | |
| 320 | 25.1 | | | 25.1 | PB | Jake Curtiss | | 10.01.98 | | Bromsgrove & Redditch | Worcester | 2 Sep 12 | |
| 320 | 25.1 | | | 25.1 | PB | Jordan Leeming | | | | Pendle | Blackpool | 23 Sep 12 | |
| 347 | 25.11 | | 0.3 | 25.11 | PB | Luke Foreman | | 27.09.98 | | Gateshead | Sportcity | 1 Sep 12 | |
| 348 | 25.12 | | | 24.68i/24.5 | | John Hamilton | | 24.10.97 | Glen Harrower | Ayr Seaforth | Linwood | 27 Jun 12 | |
| 24.67 | w | 5.2 | | | | | | | | Grangemouth | 29 Jul 12 | |
| 349 | 25.13 | | | 24.58 | | Rhys Aitchison | | 24.09.97 | | Chiltern | Horspath | 26 Aug 12 | |
| 350 | 25.14 | i | | 25.14i | PB | Marcelle Rowe | | 29.10.97 | | Croydon | Lee Valley | 21 Jan 12 | |
| 25.4 | | | | | | | | | | Walton | 24 Jun 12 | |
| 25.93 | | -1.6 | | | | | | | | Crystal Palace | 1 Apr 12 | |
| 350 | 25.14 | i | | 25.14i/25.1 | PB | Jared Rosser | | 31.12.97 | David Norton | Cwmbran | Cardiff | 22 Jan 12 | |
| 25.7 | | | | | | | | | | Cwmbran | 8 Sep 12 | |
| 350 | 25.14 | | -2.2 | 25.14 | PB | Calum McNally | | 21.10.97 | | Rochdale | Stretford | 16 Jun 12 | |
| 353 | 25.16 | | | 25.16 | PB | Jack Arnold | | | | North Down | Bangor | 26 May 12 | |
| 353 | 25.16 | | 0.6 | 25.16 | PB | Majed Warayet | | | | Northumberland Schs | Gateshead | 25 Aug 12 | |
| 355 | 25.17 | | -1.7 | 25.17 | PB | Doug Ward | | 17.01.98 | Carl Pinder | Radley | Abingdon | 31 Mar 12 | |
| 355 | 25.17 | | 1.1 | 25.17 | PB | Ryan Fowler | | 04.01.98 | | North Somerset | Street | 27 May 12 | |
| 357 | 25.19 | | | 25.19 | PB | Morris Nganga | | 29.09.97 | | Slough Junior | Horspath | 15 Jul 12 | |
| 357 | 25.19 | | -1.6 | 25.19 | PB | Brandon Harrington-Smith | | | | Reigate Priory | Crawley | 27 Aug 12 | |
| 359 | 25.20 | | | 25.20 | PB | Edwin Jones | | 12.12.97 | | Team Bath | Exeter | 23 Jun 12 | |
| 359 | 25.20 | | | 25.20 | PB | Luke Brown | | 15.03.98 | Sean Price | Aberdare Valley | Hereford | 21 Jul 12 | |
| 361 | 25.2 | | | 25.41/25.2 | PB | Zac Stansfield | | 06.03.98 | Ian Halliday | Oldham & Royton | Ashton-under-Lyne | 6 May 12 | |
| 25.41 | | -2.2 | | | | | | | | Stretford | 16 Jun 12 | |
| 361 | 25.2 | | | 24.0i | | Joe Whittington | | 18.09.97 | | Harrogate | York | 6 May 12 | |
| 361 | 25.2 | | | 24.9 | | Ciaron Newland | | 01.05.98 | | Seaton | Carlisle | 12 May 12 | |
| 361 | 25.2 | | | 25.2 | PB | Jamie O'Connor | | | | Stevenage & North Herts | Hemel Hempstead | 16 Jun 12 | |
| 361 | 25.2 | | | 25.2 | PB | Freddie Barnes | | | | Warwickshire Schs | Leamington Spa | 16 Jun 12 | |
| 361 | 25.2 | | | 25.2 | PB | C Burrows | | | | North Yorkshire Schs | York | 16 Jun 12 | |
| 361 | 25.2 | | | 28.74/24.1 | | Martin Williams | | | | Solihull & Small Heath | Coventry | 17 Jun 12 | |
| 361 | 25.2 | | | 25.52/25.2 | PB | Andrew Baxter | | 20.10.97 | | Birtley | Jarrow | 17 Jun 12 | |
| 25.52 | | | | | | | | | | Shildon | 22 Apr 12 | |
| 361 | 25.2 | | | 25.2 | PB | A Soloku | | | | London Schs | Mile End | 19 Jun 12 | |
| 361 | 25.2 | | | 25.2 | PB | Christopher Sinclair | | 15.04.98 | Anthony Mayhew | Herne Hill | Walton | 24 Jun 12 | |
| 361 | 25.2 | | | 25.2 | PB | Jordan Smith | | 07.07.98 | Stephen Wymark | Kingston upon Hull | Grimsby | 18 Aug 12 | |
| 361 | 25.2 | | | 25.64/24.5 | | Alexander Kotelawala | | 06.09.98 | | Hillingdon | Hillingdon | 19 Aug 12 | |
| 361 | 25.2 | | | 26.99/24.0 | | Damilola Williams | | 20.07.98 | | Jersey | St. Clement | 26 Aug 12 | |
| 361 | 25.2 | | | 25.36i/25.2 | PB | Jesse Soloman-Dugbo | | 25.05.98 | Mark Lancaster | Cambridge H | Eltham | 8 Sep 12 | |
| 361 | 25.2 | | | 25.2 | PB | David Mafullul | | 31.05.99 | | Retford | York | 8 Sep 12 | |
| 361 | 25.2 | | | 25.72/25.2 | PB | Sean Naylor | | 01.10.97 | Billy Bingham | New Marske | York | 8 Sep 12 | |
| 25.72 | | | | | | | | | | Gateshead | 11 Jul 12 | |
| 361 | 25.2 | | | 24.41/24.3 | | Aaron Howard | | 10.09.98 | Malcolm Rogers | Havant | Bournemouth | 16 Sep 12 | |
| 25.27 | | -0.6 | | | | | | | | Woking | 2 Sep 12 | |
| 378 | 25.21 | | 0.4 | 25.21 | PB | Cathal Hogan | | 27.11.97 | | Crawley | Crawley | 18 Jul 12 | |
| 379 | 25.24 | | -1.3 | 24.07i | | Harry Sutherland | | 18.11.97 | Ian Grant | Wycombe | Horspath | 13 May 12 | |
| 379 | 25.24 | | | 25.24 | PB | Ben Chan | | 08.05.98 | | Victoria Park City of Glasgow | Edinburgh | 27 May 12 | |
| 379 | 25.24 | | | 25.24 | PB | Stewart Soutar | | 22.06.98 | | Pitreavie | Edinburgh | 27 May 12 | |
| 379 | 25.24 | | 1.7 | 25.24 | PB | Aiden Smith | | 14.06.98 | | Poole AC | Exeter | 27 May 12 | |
| 379 | 25.24 | | 0.0 | 25.24/23.8 | PB | Ben Holloway | | 11.11.98 | | Charnwood | Loughborough | 4 Jul 12 | |
| 384 | 25.25 | | -2.5 | 25.25 | PB | Jack Dickenson | | | Les Hall | Bolton | Stretford | 16 Jun 12 | |
| 385 | 25.27 | | | 25.27 | PB | Alex Batiste | | | | Guernsey | St. Peter Port | 16 Aug 12 | |
| 386 | 25.28 | | -0.7 | 25.28 | PB | Matthew Mbriwa | | 10.04.98 | | Harrow | Lee Valley | 12 Sep 12 | |
| 387 | 25.3 | | | 25.71/25.3 | PB | Harry Collin | | 15.01.98 | Kevin Boyle | Reading AC | Bracknell | 28 Apr 12 | |
| 25.71 | | -0.4 | | | | | | | | Bracknell | 31 Mar 12 | |
| 387 | 25.3 | | | 27.07/25.3 | PB | James Reaper | | 28.09.97 | | Bedford & County | Bedford | 6 May 12 | |
| 387 | 25.3 | | | 26.83/25.3 | PB | Alex Lynch | | 07.01.98 | Michael Davies | Ashford AC | Bromley | 6 May 12 | |
| 387 | 25.3 | | | 24.32i | | Kai Petterson | | 05.02.98 | | Manx | Douglas | 16 May 12 | |
| 387 | 25.3 | | | 25.3 | PB | Andrew Davis | | 25.03.98 | | Ipswich | Grays | 27 May 12 | |
| 387 | 25.3 | | | 25.13/23.8 | | Hayden Eke | | | | Tipton | Birmingham (Un) | 30 May 12 | |
| 24.4 | w | 4.6 | | | | | | | | Stoke | 12 May 12 | |
| 387 | 25.3 | | | 25.3 | PB | M Aitken | | | | Berkshire Schs | Bracknell | 16 Jun 12 | |
| 387 | 25.3 | | | 25.3 | PB | Alan Condon | | | | Buckinghamshire Schs | High Wycombe | 16 Jun 12 | |
| 387 | 25.3 | | | 25.78i/25.3 | PB | Leo Read | | 21.12.97 | Natalie Bathers | Oswestry | Telford | 16 Jun 12 | |
| 25.78 | i | | | | | | | | | Birmingham | 4 Feb 12 | |
| 25.81 | | 0.3 | | | | | | | | Birmingham | 22 Apr 12 | |
| 387 | 25.3 | | | 25.3 | PB | NICK ENTWISLE | | | | Shropshire Schs | Telford | 16 Jun 12 | |
| 387 | 25.3 | | | 24.95i/24.5 | | Ben Thorne | | 01.05.98 | | Oxford City | Abingdon | 17 Jun 12 | |
| 25.64 | | | | | | | | | | Horspath | 15 Jul 12 | |
| 387 | 25.3 | | | 24.8 | | William Bradley | | | | Sutton-in-Ashfield | Sutton Coldfield | 17 Jun 12 | |
| 387 | 25.3 | | | 25.3 | PB | Ryan O'Donoghue | | | Ken Spencer | Bracknell AC | Winchester | 17 Jun 12 | |
| 387 | 25.3 | | | 25.3 | PB | Conor Price | | | | Nene Valley | King's Lynn | 1 Jul 12 | |
| 387 | 25.3 | | | 25.52/25.3 | PB | Tom Harmsworth | | | | Sutton & District | Croydon | 15 Jul 12 | |
| 25.52 | | -0.6 | | | | | | | | Kingston | 16 Jun 12 | |
| 387 | 25.3 | | | 24.3 | | Michael Iwanowicz | | 01.07.98 | | Royal Sutton Coldfield | Kettering | 21 Jul 12 | |
| 387 | 25.3 | | | 25.38/25.3 | PB | Alex Nesbitt | | | | Morpeth | Jarrow | 25 Jul 12 | |
| 25.38 | | | | | | | | | | Gateshead | 11 Jul 12 | |
| 387 | 25.3 | | | 24.74 | | Liam Woodman | | | | Annan | Carlisle | 19 Aug 12 | |
| 25.33 | | -0.7 | | | | | | | | Grangemouth | 25 Aug 12 | |
| 387 | 25.3 | | | 25.08/24.8 | | James Woolley | | 22.09.98 | Paul Tasker | Tamworth | Kettering | 19 Aug 12 | |
| 25.0 | w | 4.6 | | | | | | | | Stoke | 12 May 12 | |
| 387 | 25.3 | | | 25.3 | PB | Callum Evans | | | | Bedford & County | Sandy | 19 Aug 12 | |
| 387 | 25.3 | | | 25.3 | PB | Joe Noakes | | | | Corby | Corby | 21 Aug 12 | |
| 387 | 25.3 | | | 25.76/25.3 | PB | Kieran Donnelly | | 06.10.98 | | Horwich | Blackpool | 25 Aug 12 | |
| 26.20 | | | | | | | | | | Stretford | 27 Aug 12 | |
| 387 | 25.3 | | -1.2 | 25.3 | PB | Steffan Tyrrell | | 18.06.98 | Colin Davies | Swansea | Swansea | 26 Aug 12 | |
| 410 | 25.31 | | -0.6 | 25.31 | PB | George Stokes | | 22.05.99 | | Sutton & District | Kingston | 16 Jun 12 | |
| 411 | 25.32 | | -3.0 | 25.32 | PB | George Mbofana | | | | Afan Nedd Tawe Schs | Brecon | 7 Jul 12 | |
| 412 | 25.33 | | | 24.53 | | Ben Claridge | | 12.11.97 | Tom King | White Horse | Horspath | 27 May 12 | |
| 412 | 25.33 | | | 25.33 | PB | Matthew Catterall | | | Derek Osborne | Brecon | Brecon | 18 Aug 12 | |
| 414 | 25.37 | i | | 25.37i | PB | Junior Klutse | | | | Stevenage & North Herts | Lee Valley | 4 Mar 12 | |
| 414 | 25.37 | | | 25.37 | PB | Adam Fisher | | | | Scottish Schs | Grangemouth | 21 Jun 12 | |
| 416 | 25.38 | | -3.4 | 25.38 | PB | Osu Dawdodu | | | | Northumberland Schs | Gateshead | 16 Jun 12 | |
| 416 | 25.38 | | -0.6 | 25.38 | PB | Jordan Lubanga-Kane | | | | Surrey Schs | Kingston | 16 Jun 12 | |
| 418 | 25.40 | | -1.7 | 25.35/24.7 | | Reed Wyper | | 17.10.97 | Donald Mcintosh | Kilmarnock | Ayr | 12 May 12 | |
| 418 | 25.40 | | | 25.40 | PB | Callum Campbell | | 20.03.98 | | North Uist | Stornoway | 23 Jun 12 | |
| 418 | 25.40 | | -1.5 | 25.40/24.8 | PB | Joshua Jenkins | | 07.10.97 | | Worthing | Crawley | 18 Jul 12 | |
| 418 | 25.40 | | 1.3 | 25.40 | PB | Elliott Anderson | | 12.10.97 | | Blackheath & Bromley | Sportcity | 2 Sep 12 | |
| 422 | 25.4 | i | | 25.4i | PB | Tony Dominic | | | | Staffordshire Schs | Birmingham | 23 Feb 12 | |
| 25.6 | | | | | | | | | | Stoke | 16 Jun 12 | |
| 422 | 25.4 | i | | 25.4i | PB | K Mills | | | | Staffordshire Schs | Birmingham | 23 Feb 12 | |
| 422 | 25.4 | | | 26.02/25.4 | PB | Archie Rippin | | | Barry Hearn | Marshall Milton Keynes | Welwyn | 6 Apr 12 | |
| 422 | 25.4 | | | 26.47i/25.4 | PB | Arran Lawson | | | | Musselburgh | Grangemouth | 21 Apr 12 | |
| 422 | 25.4 | | | 26.46/25.4 | PB | Fergus Macivor | | 03.12.97 | | Orkney | Kirkwall | 29 Apr 12 | |
| 422 | 25.4 | | | 25.52/25.4 | PB | Sam Fraser | | 29.10.98 | | Hillingdon | Bedford | 6 May 12 | |
| 422 | 25.4 | | | 25.58/25.4 | PB | Patrick Fairlie | | 27.03.98 | | Crewe & Nantwich | Blackburn | 6 May 12 | |
| 25.58 | | | | | | | | | | Connah's Quay | 21 Apr 12 | |
| 422 | 25.4 | | | 29.07/25.4 | PB | Maximilian Marmor | | 05.09.97 | | Harrow | Lee Valley | 6 May 12 | |
| 422 | 25.4 | | -0.5 | 24.60 | | Christopher Hewlett | | 03.09.97 | | Birchfield H | Stoke | 20 May 12 | |
| 25.74 | i | | | | | | | | | Birmingham | 19 Feb 12 | |
| 422 | 25.4 | | | 24.73i | | Callum Mckay | | | | Garscube | Linwood | 30 May 12 | |
| 422 | 25.4 | | | 25.47/25.4 | PB | Benjamin Ellis | | | | Havering Mayesbrook | Lee Valley | 10 Jun 12 | |
| 25.47 | | 2.0 | | | | | | | | Croydon | 20 May 12 | |
| 422 | 25.4 | | | 25.4 | PB | J Rallagan | | | | Berkshire Schs | Bracknell | 16 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | Jevan Mumberson | | | | Carmarthen | Carmarthen | 16 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | Fred Morrish | | | | Gloucestershire Schs | Cheltenham | 16 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | S Thompson | | | | North Yorkshire Schs | York | 16 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | Elliott Fearn | | 12.11.97 | | City of York | York | 16 Jun 12 | |
| 422 | 25.4 | | | 25.66/25.4 | PB | George Evans | | 21.01.98 | Harry Lakeland | Inverness | Aberdeen | 17 Jun 12 | |
| 25.66 | | 0.9 | | | | | | | | Inverness | 19 Aug 12 | |
| 422 | 25.4 | | | 25.4 | PB | Charlie Shelbourne | | 17.04.98 | | Guildford & Godalming | Guildford | 17 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | Hannay Coulinho | | | | Queens Park | Mile End | 17 Jun 12 | |
| 422 | 25.4 | | | 28.68/25.4 | PB | Joshua Erhabor | | 19.01.98 | | Cambridge H | Walthamstow | 17 Jun 12 | |
| 422 | 25.4 | | | 25.99/25.4 | PB | Tosin Segun | | | | Rugby & Northampton | Tipton | 21 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | J Barratt | | | | Holland Sports | Walton | 24 Jun 12 | |
| 422 | 25.4 | | | 25.95i/25.4 | PB | Rio Mitcham | | 30.08.99 | | Telford AC | Shrewsbury | 30 Jun 12 | |
| 422 | 25.4 | | | 25.4 | PB | George Biggs | | 08.11.97 | | Team Kennet | Andover | 8 Jul 12 | |
| 422 | 25.4 | | | 25.65/25.4 | PB | George Unsworth | | | Joe Frost | DASH | Ashton-Under-Lyne | 8 Jul 12 | |
| 25.65 | | -3.8 | | | | | | | | Stretford | 16 Jun 12 | |
| 422 | 25.4 | | | 25.04 | | Joshua Pemberton | | | | Trafford | Stretford | 8 Jul 12 | |
| 25.74 | | | | | | | | | | Stretford | 4 Jun 12 | |
| 422 | 25.4 | | | 24.54/24.5 | | Andrew Morgan-Harrison | | 09.03.98 | | Kingston upon Hull | Scunthorpe | 21 Jul 12 | |
| 25.82 | | | | | | | | | | Wigan | 30 Jun 12 | |
| 422 | 25.4 | | | 25.73/25.4 | PB | Craig Lennie | | 14.02.98 | | Edinburgh AC | Grangemouth | 4 Aug 12 | |
| 25.1 | w | 4.5 | | | | | | | | Grangemouth | 1 Sep 12 | |
| 25.73 | | | | | | | | | | Grangemouth | 1 Aug 12 | |
| 422 | 25.4 | | | 25.4 | PB | Ellis Roberts | | | | Menai | Wrexham | 11 Aug 12 | |
| 422 | 25.4 | | | 25.66/25.4 | PB | Harrison Topps | | 12.09.97 | | Wimborne | Poole | 17 Aug 12 | |
| 25.66 | | | | | | | | | | Yeovil | 2 Sep 12 | |
| 422 | 25.4 | | | 25.4 | PB | Andre Ardlen | | | | Windsor Slough Eton & Hounslow | Hillingdon | 19 Aug 12 | |
| 422 | 25.4 | | | 24.4 | | Josh Gill | | 15.10.98 | | Jersey | St. Clement | 26 Aug 12 | |
| 422 | 25.4 | | | 25.4 | PB | Luke Roberts | | 24.02.98 | | Sale Harriers Manchester | Stoke | 26 Aug 12 | |
| 422 | 25.4 | | | 28.16/25.4 | PB | Julian Kay | | 27.06.98 | | Solihull & Small Heath | Telford | 8 Sep 12 | |
| 422 | 25.4 | | | 25.00 | | Alexander Rogers | | 09.01.99 | | Wakefield | Wakefield | 9 Sep 12 | |
| 25.45 | | | | | | | | | | Wakefield | 21 Jul 12 | |
| 457 | 25.42 | | -2.8 | 25.02 | | Josh Emerson | | | Ken Hills | Braintree | Southend | 27 Aug 12 | |
| 458 | 25.44 | | -3.1 | 25.44 | PB | Kyle Henderson | | | | West Yorkshire Schs | Cleckheaton | 16 Jun 12 | |
| 459 | 25.46 | | -3.4 | 25.46 | PB | Jake Woods | | | | Northumberland Schs | Gateshead | 16 Jun 12 | |
| 460 | 25.47 | | 1.8 | 25.47 | PB | Alex Mosdell | | 02.09.97 | | Basingstoke & Mid Hants | Basingstoke | 7 Apr 12 | |
| 461 | 25.48 | i | | 25.48i | PB | Josh Maitland | | 29.09.97 | | South Lanarkshire | Glasgow | 9 Feb 12 | |
| 461 | 25.48 | | | 25.48 | PB | Joe Hayes | | | | Essex Schs | Southend | 28 Apr 12 | |
| 25.47 | w | 2.7 | | | | | | | | Southend | 28 Apr 12 | |
| 461 | 25.48 | | -3.8 | 25.48 | PB | T Palmer | | | | Greater Manchester Schs | Stretford | 16 Jun 12 | |
| 464 | 25.5 | | | 25.78/25.5 | PB | William Adams | | 09.02.98 | | Blackheath & Bromley | Ashford | 15 Apr 12 | |
| 25.78 | | 2.0 | | | | | | | | Croydon | 20 May 12 | |
| 464 | 25.5 | | | 25.5 | PB | Elisha Fahmy | | 18.06.99 | Claudine Vickers | Victoria Park & Tower Hamlets | Parliament Hill | 6 May 12 | |
| 464 | 25.5 | | | 25.5 | PB | Fergus Allan | | 09.10.97 | | Medway & Maidstone | Sutton Valence | 6 May 12 | |
| 464 | 25.5 | | 1.1 | 26.82/25.5 | PB | Kenechukwu Obienu | | 20.09.98 | Kevin Boyle | Reading AC | Eton | 13 May 12 | |
| 464 | 25.5 | | | 25.58/25.5 | PB | Chris Chavez | | | | Skyrac | Halifax | 20 May 12 | |
| 25.58 | | -0.3 | | | | | | | | Cleckheaton | 16 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | Jamie Paterson | | 18.03.98 | | Central | Grangemouth | 24 May 12 | |
| 464 | 25.5 | | | 25.05i | | Reuben Williams | | 27.09.97 | Steven Munday | Medway & Maidstone | Bromley | 4 Jun 12 | |
| 464 | 25.5 | | 0.8 | 25.18i | | Mark Swan | | | | Aberdeen | Grangemouth | 8 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | T Archibald | | | | Scottish Schs | Glasgow (S) | 13 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | Claudio Santos | | | | Leicestershire Schs | Leicester | 16 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | M Mills | | | | Dorset Schs | Poole | 16 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | Fiyin Adebiyi Olayide | | 07.02.98 | | Woodford Green Essex Ladies | Tipton | 16 Jun 12 | |
| 464 | 25.5 | | | 25.80i/25.5 | PB | James Woods | | 19.09.97 | | Llanelli | Newport | 17 Jun 12 | |
| 464 | 25.5 | | | 26.15/25.5 | PB | Daniel Keogh | | 30.01.99 | | Salford Met | Blackpool | 19 Jun 12 | |
| 26.15 | | -3.8 | | | | | | | | Stretford | 16 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | Cameron Dawson | | | | Hampshire Schs | Street | 20 Jun 12 | |
| 464 | 25.5 | | | 25.98/25.5 | PB | Alex Dixon | | 16.11.97 | | Middlesbrough (Mandale) | Carlisle | 23 Jun 12 | |
| 25.98 | | | | | | | | | | Middlesbrough | 15 Apr 12 | |
| 464 | 25.5 | | | 25.77i/24.5 | | Hasnain Ehsan | | 28.11.98 | | Hyndburn | Hyndburn | 23 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | MATTHEW SHEVLOFF | | | | Derbyshire Schs | Stoke | 23 Jun 12 | |
| 464 | 25.5 | | | 26.24/25.5 | PB | Aaron Kettlewell | | 01.05.98 | Matt Barton | Holmfirth | York | 23 Jun 12 | |
| 26.24 | | | | | | | | | | Wakefield | 21 Jul 12 | |
| 464 | 25.5 | | | 25.5 | PB | Blayne West | | | | Essex Schs | Chelmsford | 30 Jun 12 | |
| 464 | 25.5 | | | 25.5 | PB | Jacob Brown | | 24.11.97 | Richard Othen | Crewe & Nantwich | Macclesfield | 8 Jul 12 | |
| 464 | 25.5 | | | 24.89 | | Zach Dolton | | 24.09.98 | | Haywards Heath | Horsham | 20 Jul 12 | |
| 25.62 | | -0.9 | | | | | | | | Crawley | 27 Aug 12 | |
| 464 | 25.5 | | | 25.5 | PB | Andrew Bysouth | | | | Chichester | Horsham | 20 Jul 12 | |
| 464 | 25.5 | | | 26.73i/25.5 | PB | Joseph King | | 01.12.97 | | Menai | Connah's Quay | 21 Jul 12 | |
| 464 | 25.5 | | | 25.63/25.5 | PB | Josh Wilson | | 02.12.98 | | Sunderland | Jarrow | 25 Jul 12 | |
| 25.63 | | | | | | | | | | Gateshead | 11 Jul 12 | |
| 464 | 25.5 | | | 25.5 | PB | Nicholas Izunwa | | | | Hillingdon | Hillingdon | 19 Aug 12 | |
| 464 | 25.5 | | | 26.19/25.5 | PB | Moses Noxolo | | 12.09.97 | | Birchfield H | Stoke | 26 Aug 12 | |
| 464 | 25.5 | | | 25.78/25.5 | PB | Kelton Spencer | | 12.11.97 | | Crawley | Brighton | 7 Sep 12 | |
| 25.5 | w | 2.7 | | | | | | | | Crawley | 12 May 12 | |
| 25.78 | | -1.6 | | | | | | | | Crawley | 27 Aug 12 | |
| 464 | 25.5 | | | 24.0 | | Benjamin Lyall-Smith | | 16.09.98 | Terry Hughes | Seaton | Blackpool | 9 Sep 12 | |
| 464 | 25.5 | | | 25.70/25.5 | PB | Ben McGuire | | 22.10.97 | | Central | Grangemouth | 15 Sep 12 | |
| 494 | 25.51 | | -2.0 | 25.51 | PB | Jordan Omokeowa | | | | Stockport | Stretford | 16 Jun 12 | |
| 495 | 25.52 | | | 25.52 | PB | Corey Beggs | | | | Northern Ireland Schs | Antrim | 19 May 12 | |
| 495 | 25.52 | | | 25.52 | PB | M May | | | | Norfolk Schs | Birmingham | 2 Jul 12 | |
| 497 | 25.53 | | -1.8 | 25.53/24.1 | PB | Ulrich Emaleu | | | | Cardiff & The Vale Schs | Cardiff | 31 May 12 | |
| 498 | 25.57 | | -0.3 | 25.57 | PB | James Pinder | | | | Bradford Grammar School | Cleckheaton | 16 Jun 12 | |
| 499 | 25.58 | | 1.3 | 25.58/25.4 | PB | Alexander Gooch | | | Trevor Raggett | Windsor Slough Eton & Hounslow | Sportcity | 2 Sep 12 | |
| 500 | 25.59 | | 1.2 | 25.59 | PB | Matthew Lai | | | | Cardiff & The Vale Schs | Cardiff | 20 Jun 12 | |
| 501 | 25.6 | | | 25.00i | | William Stirling-Stainsby | | 18.11.97 | George Ogilvie | Winchester | Bournemouth | 1 Apr 12 | |
| 26.24 | i | | | | | | | | | Lee Valley | 2 Jan 12 | |
| 501 | 25.6 | | | 28.15i/25.6 | PB | Ryan Houten | | 30.11.98 | | Moorfoot | Grangemouth | 21 Apr 12 | |
| 501 | 25.6 | | | 25.6 | PB | Samuel Rajesh | | 30.03.98 | Steve Ingram | Llanelli | Carmarthen | 28 Apr 12 | |
| 501 | 25.6 | | | 25.6 | PB | T Daward | | | | Suffolk Schs | Ipswich | 10 May 12 | |
| 501 | 25.6 | | | 25.60 | | Huw Buckley | | | | Team Bath | Tidworth | 13 May 12 | |
| 501 | 25.6 | | | 24.5 | | Isayah Boers | | 19.06.99 | Nathan Cyrus | London Heathside | Parliament Hill | 20 May 12 | |
| 501 | 25.6 | | | 25.6 | PB | Cameron Marshall | | 08.11.97 | George Skafidas | Nene Valley | Peterborough | 20 May 12 | |
| 501 | 25.6 | | | 25.75/25.6 | PB | Jack Chilvers | | 13.03.98 | | Basildon | Hemel Hempstead | 27 May 12 | |
| 25.75 | | | | | | | | | | Southend | 28 Apr 12 | |
| 501 | 25.6 | | | 27.22i/25.5 | | Moeez Karim | | 27.05.98 | Scott Grace | Vale of Aylesbury | Hemel Hempstead | 27 May 12 | |
| 501 | 25.6 | | | 26.24/25.6 | PB | Joshua Schofield | | 10.02.98 | Ian Wilcock | City of York | York | 9 Jun 12 | |
| 26.24 | | | | | | | | | | Middlesbrough | 15 Apr 12 | |
| 501 | 25.6 | | | 25.6 | PB | George Thompson | | | | Enfield & Haringey | Hendon | 12 Jun 12 | |
| 501 | 25.6 | | | 25.73i/25.6 | PB | Ewan Hoy | | 17.08.98 | | Victoria Park City of Glasgow | Glasgow (S) | 13 Jun 12 | |
| 25.96 | | | | | | | | | | Grangemouth | 17 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Joshua Neal | | 25.10.97 | | St. Helens Sutton | Bebington | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Ross Carter | | | | Derbyshire Schs | Derby | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Elliot Scatena | | | | Warwickshire Schs | Leamington Spa | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Arjan Jaiyeole | | | | Leicestershire Schs | Leicester | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | R Woodcock | | | | Cheshire Schs | Macclesfield | 16 Jun 12 | |
| 501 | 25.6 | | | 27.31/25.5 | | Jordon Smart | | 24.11.98 | | Cornwall | Par | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | C Cooper | | | | Dorset Schs | Poole | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Jonny Dowell | | | | Wiltshire Schs | Salisbury | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Henry Jones | | | | Wiltshire Schs | Salisbury | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Jack Grice | | | | Staffordshire Schs | Stoke | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Conor Blaney | | | | West Midlands Schs | Tipton | 16 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | C Rigler | | | | Oxfordshire Schs | Abingdon | 17 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Ruaridh Summers | | 14.11.98 | | St. Mary's Richmond | Aldershot | 17 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Adrian Bennett | | 11.11.97 | | Halton & Frodsham | Salford | 17 Jun 12 | |
| 501 | 25.6 | | | 25.21 | | Miguel Comyn-Zamora | | 15.09.97 | | Leeds City | South Leeds | 17 Jun 12 | |
| 501 | 25.6 | | | 26.25/25.6 | PB | Nicolas Saunders | | | | Stockport | Stretford | 17 Jun 12 | |
| 26.25 | | -1.1 | | | | | | | | Stretford | 16 Jun 12 | |
| 501 | 25.6 | | | 26.71/25.5 | | Brendan Griffiths | | | | Orion | Walthamstow | 17 Jun 12 | |
| 501 | 25.6 | | | 26.04/25.6 | PB | Arron Dyer | | 18.10.97 | | Colwyn Bay | Warrington | 17 Jun 12 | |
| 26.04 | | 1.9 | | | | | | | | Brecon | 19 Aug 12 | |
| 501 | 25.6 | | | 26.90/24.1 | | Joseph Gomme | | 25.11.97 | | Copeland | Carlisle | 23 Jun 12 | |
| 501 | 25.6 | | | 25.6 | PB | Conor Archer | | 15.11.97 | | Bedford & County | Bedford | 8 Jul 12 | |
| 501 | 25.6 | | | 25.6 | PB | Christian Norton | | 07.03.98 | | Southend | Lee Valley | 8 Jul 12 | |
| 501 | 25.6 | | | 25.6 | PB | George Barker | | 17.09.98 | | Camberley | Aldershot | 22 Jul 12 | |
| 501 | 25.6 | | | 25.6 | PB | Ivan Encarnacao | | | | Salford H | Stretford | 29 Jul 12 | |
| 501 | 25.6 | | | 24.2 | | Lewis Sweeney | | 04.12.98 | Jane Dixon | Luton | Luton | 19 Aug 12 | |
| 501 | 25.6 | | | 26.30/25.6 | PB | Daniel O'Hear | | 22.05.98 | Stephen Walker | Shettleston | Crownpoint | 21 Aug 12 | |
| 501 | 25.6 | | | 25.3 | | Ethan Bickmore-Vaughan | | 09.05.99 | | Lewes | Brighton | 7 Sep 12 | |
| 501 | 25.6 | | | 25.6 | PB | George Minshall | | 03.10.97 | | Shrewsbury | Telford | 8 Sep 12 | |
| 501 | 25.6 | | | 25.6 | PB | Samuel Jones | | 21.09.97 | | Blackpool, Wyre & Fylde | Blackpool | 9 Sep 12 | |
| 501 | 25.6 | | | 25.64/24.9 | | Max Hammett | | 19.06.99 | Graeme Gourlay | Poole AC | Bournemouth | 16 Sep 12 | |
| 25.64 | | 1.8 | | | | | | | | Exeter | 8 Jul 12 | |
| 501 | 25.6 | | | 26.00/25.6 | PB | Kurtis Aspden | | | | Leigh | Blackpool | 23 Sep 12 | |
| 543 | 25.61 | | -2.2 | 25.61 | PB | Thomas Land | | 27.02.98 | | Holland Sports | Stretford | 16 Jun 12 | |
| 543 | 25.61 | | | 25.61 | PB | L Woodman | | | | Nithsdale | Wishaw | 17 Jun 12 | |
| 543 | 25.61 | | 0.5 | 25.61 | PB | Tom Holloway | | 14.04.98 | | Bristol & West | Yate | 2 Sep 12 | |
| 546 | 25.62 | | | 25.62/25.2 | PB | Howard Bell | | 02.05.98 | | Edinburgh AC | Perth | 23 Sep 12 | |
| 547 | 25.64 | | 1.1 | 25.64 | PB | Jake Read | | 28.12.97 | | Mendip | Street | 27 May 12 | |
| 547 | 25.64 | | 0.9 | 25.64/24.7 | PB | Luke Hill | | 13.09.98 | Garry Hunter | Gloucester | Yate | 2 Sep 12 | |
| 549 | 25.65 | | 1.4 | 25.65 | PB | Kory Lowe | | | | Bristol & West | Yate | 2 Sep 12 | |
| 550 | 25.66 | | | 25.66 | PB | Jamie Graham | | | | Regent House | Bangor | 26 May 12 | |
| 551 | 25.67 | | 1.8 | 25.67/25.4 | PB | Samuel Chinn | | 09.09.98 | | Taunton | Exeter | 8 Jul 12 | |
| 551 | 25.67 | | -0.3 | 25.67 | PB | Bailey Stickings | | 27.08.98 | Mick Jones | Blackheath & Bromley | Bromley | 9 Jul 12 | |
| 553 | 25.68 | | | 24.32i | | Ciaran Barnes | | 08.08.98 | | City of Lisburn | Antrim | 7 Jul 12 | |
| 554 | 25.7 | | | 25.5 | | Jay Hornby | | 01.11.97 | | Stockport | Ashton-under-Lyne | 6 May 12 | |
| 554 | 25.7 | | | 25.7 | PB | Caleb Obediah | | 12.02.98 | Kevin Boyle | Reading AC | Bracknell | 6 May 12 | |
| 554 | 25.7 | | | 27.24i/25.7 | PB | Euan Mitchell | | | | Fife | Dundee | 6 May 12 | |
| 554 | 25.7 | | -0.5 | 25.7 | PB | Kye Burgess | | 19.11.98 | | Coventry | Stoke | 20 May 12 | |
| 554 | 25.7 | | | 24.41i | | Oliver Butterworth | | 12.01.98 | | Pembrokeshire | Neath | 26 May 12 | |
| 554 | 25.7 | | | 25.7 | PB | Jack Rodwell | | 29.09.97 | | Diss | Cambridge | 27 May 12 | |
| 554 | 25.7 | | | 26.02/25.7 | PB | Alexander Climson | | | | Kilbarchan | Linwood | 29 May 12 | |
| 26.02 | | 1.2 | | | | | | | | Dunfermline | 9 Sep 12 | |
| 554 | 25.7 | | | 25.7 | PB | Daniel Hlouverakis | | | | Rugby & Northampton | Rugby | 10 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Hermes Tukala | | | | Barnet | Hendon | 12 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | D DENJA | | | | Bedfordshire Schs | Bedford | 13 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | GEORGE SCARLETT | | | | Northamptonshire Schs | Corby | 16 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | A Abo Rashed | | | | Dorset Schs | Poole | 16 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Ben Cranage | | | | West Midlands Schs | Tipton | 16 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Dylan Jay Tonks | | | | City of York | York | 16 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Tom Longstaff | | | | Nottinghamshire Schs | Derby | 18 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | William Johnson | | | | Cleveland Schs | Hull | 18 Jun 12 | |
| 554 | 25.7 | | 0.4 | 28.29/25.7 | PB | Lloyd Ivins | | | | Cardiff & The Vale Schs | Cardiff | 20 Jun 12 | |
| 25.52 | w | 4.4 | | | | | | | | Brecon | 11 Jul 12 | |
| 554 | 25.7 | | | 27.87/25.7 | PB | Ben Francombe | | | | Cardiff & The Vale Schs | Cardiff | 20 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Mitchell Brindley | | | | West Midlands Schs | Tipton | 21 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Robbie Farrell | | 13.09.97 | | Daventry | Stoke | 23 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | C Langham | | | | Hampshire Schs | Southampton | 3 Jul 12 | |
| 554 | 25.7 | | | 25.34/25.3 | | Seth Hayward | | 09.07.98 | Gill St Barbe | North Devon | Braunton | 8 Jul 12 | |
| 25.60 | w | 5.2 | | | | | | | | Exeter | 16 Jun 12 | |
| 554 | 25.7 | | | 25.7 | PB | Ronaldo Brown | | 07.09.98 | | Trafford | Stretford | 8 Jul 12 | |
| 554 | 25.7 | | | 25.27 | | Jack Dare | | 18.03.98 | | Telford AC | Shrewsbury | 12 Jul 12 | |
| 554 | 25.7 | | | 25.7 | PB | Tom Boutelle | | | | Herne Hill | Croydon | 15 Jul 12 | |
| 554 | 25.7 | | | 25.7 | PB | Tom Cambridge | | 13.02.98 | | City of York | York | 15 Jul 12 | |
| 554 | 25.7 | | | 25.7 | PB | Charlie Andrews | | 10.03.98 | | Colchester & Tendring | St Ives | 29 Jul 12 | |
| 554 | 25.7 | | | 24.80 | | Joseph Wilkin | | 12.10.97 | | Colchester H | Cambridge | 19 Aug 12 | |
| 554 | 25.7 | | | 25.7 | PB | Kai Gardner | | 26.09.97 | Catrina Lewis | Luton | Luton | 19 Aug 12 | |
| 554 | 25.7 | | | 25.7 | PB | Nori Ishii | | 05.10.97 | | East Grinstead | Brighton | 7 Sep 12 | |
| 584 | 25.71 | | | 25.71 | PB | Sam Leckey | | | | Northern Ireland Schs | Antrim | 19 May 12 | |
| 585 | 25.75 | | | 25.75 | PB | Sam Denny | | 14.11.98 | Harry Evans | Vale Royal | Stretford | 4 Jun 12 | |
| 585 | 25.75 | | | 24.98/24.7 | | Rohan Green | | 21.03.98 | William Walker | Edinburgh AC | Grangemouth | 1 Aug 12 | |
| 25.01 | w | 6.0 | | | | | | | | Edinburgh | 13 May 12 | |
| 587 | 25.76 | | | 25.76 | PB | Kevin Metzger | | 13.11.97 | Keith Hunter | Sale Harriers Manchester | Stretford | 27 Aug 12 | |
| 588 | 25.78 | | | 25.56i | | Robert Lockett | | 23.12.98 | John Turner | Cannock & Stafford | Stoke | 21 Apr 12 | |
| 25.3 | w | 4.6 | | | | | | | | Stoke | 12 May 12 | |
| 588 | 25.78 | | | 25.78 | PB | A Awokaya | | | | Scottish Schs | Grangemouth | 21 Jun 12 | |
| 590 | 25.79 | | -0.8 | 25.79/25.7 | PB | Leslie Amft | | 15.05.99 | | City of Portsmouth | Portsmouth | 12 May 12 | |
| 590 | 25.79 | | | 25.11i | | Tyler Pritchard | | 16.09.97 | Phil Banning | Cwmbran | Aberdare | 26 May 12 | |
| 590 | 25.79 | | | 25.79 | PB | Ben Read | | 21.09.97 | | Wakefield | Wakefield | 21 Jul 12 | |
| 590 | 25.79 | | | 25.79 | PB | Owen Jones | | | | Neath | Brecon | 18 Aug 12 | |
| 594 | 25.80 | | -1.8 | 25.80 | PB | Amin Ullah | | 21.09.97 | | Barry & Vale | Cardiff | 14 Jul 12 | |
| 595 | 25.8 | | | 27.29/25.8 | PB | Jamal Lewis | | 25.01.98 | Catrina Lewis | Luton | St Albans | 29 Apr 12 | |
| 595 | 25.8 | | | 26.45/25.8 | PB | Nabil Haque | | 23.10.98 | | Shaftesbury Barnet | Lee Valley | 6 May 12 | |
| 595 | 25.8 | | | 28.76/25.8 | PB | Jay Connor | | | Deborah Greenwood | Halifax | Halifax | 20 May 12 | |
| 595 | 25.8 | | | 28.03i/25.8 | PB | Thomas Wood | | 10.02.98 | Ian Wilcock | City of York | York | 9 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | William Kimpson | | | | City of York | York | 9 Jun 12 | |
| 595 | 25.8 | | | 25.88/25.8 | PB | Ben Gilbert | | 13.12.97 | | Cambridge & Coleridge | Basildon | 10 Jun 12 | |
| 595 | 25.8 | | | 24.7 | | Jordan Hughes | | 15.05.98 | | Hillingdon | Eton | 10 Jun 12 | |
| 595 | 25.8 | | | 25.39 | | Theo Passmore | | 04.12.97 | Graeme Crissell | Ipswich | Southend | 10 Jun 12 | |
| 595 | 25.8 | | | 25.66i | | Thomas Milton | | 10.09.97 | | Dacorum & Tring | Southend | 10 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | Jalanee Donaldson | | | | Middlesex Schs | Hendon | 12 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | S Rollason | | | | Berkshire Schs | Bracknell | 16 Jun 12 | |
| 595 | 25.8 | | | 26.42i/25.8 | PB | Bradley Hawthorn | | 19.10.98 | | Herts Phoenix | Hemel Hempstead | 16 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | J Carroll | | | | Cheshire Schs | Macclesfield | 16 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | Alex Harris-White | | 01.12.97 | | Reading AC | Abingdon | 17 Jun 12 | |
| 595 | 25.8 | | | 25.71 | | Ebenezer Sarpong | | 28.10.97 | | Shaftesbury Barnet | Harrow | 17 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | Bradley Yates | | 11.10.97 | Andy Bibby | Preston | South Leeds | 17 Jun 12 | |
| 595 | 25.8 | | | 26.21/25.8 | PB | Matthew Harrison | | 09.01.98 | | Leeds City | York | 23 Jun 12 | |
| 26.21 | | | | | | | | | | Wakefield | 20 Jun 12 | |
| 595 | 25.8 | | | 25.8 | PB | Matthew Robb | | | | Fife | Dundee | 1 Jul 12 | |
| 595 | 25.8 | | | 25.8 | PB | Josh Williams | | 26.07.98 | | Camberley | Poole | 1 Jul 12 | |
| 595 | 25.8 | | | 25.8 | PB | D Edgar | | | | Hampshire Schs | Southampton | 3 Jul 12 | |
| 595 | 25.8 | | | 25.87/25.8 | PB | Tom Wilkins | | 24.09.97 | Christopher Millard | North Somerset | Braunton | 8 Jul 12 | |
| 25.87 | | 1.1 | | | | | | | | Street | 27 May 12 | |
| 595 | 25.8 | | | 26.43/25.8 | PB | Matthew Barton | | 27.11.97 | | Macclesfield | Macclesfield | 8 Jul 12 | |
| 595 | 25.8 | | | 25.8 | PB | Jack Baart | | 21.11.97 | | Holland Sports | Croydon | 15 Jul 12 | |
| 595 | 25.8 | | | 25.7 | | Lee Chapman | | 19.12.97 | | Western | Douglas | 15 Jul 12 | |
| 595 | 25.8 | | | 25.8 | PB | James Souter | | 09.12.98 | | Darlington H | Darlington | 17 Jul 12 | |
| 595 | 25.8 | | | 27.83/25.8 | PB | Oghenetega Emeseh | | | | Carmarthen | Brecon | 21 Jul 12 | |
| 595 | 25.8 | | | 26.74i/25.8 | PB | Samuel Smith | | 03.11.97 | George Skafidas | Nene Valley | Stoke | 29 Jul 12 | |
| 595 | 25.8 | | | 28.72/25.8 | PB | Ben Renton | | | Grant Scott Smith | Aberdeen | Dundee | 19 Aug 12 | |
| 595 | 25.8 | | | 25.8 | PB | Jahii Laudat | | | | London Heathside | Finsbury Park | 4 Sep 12 | |
| 595 | 25.8 | | | 25.8 | PB | Alistair Westbrook | | 24.01.98 | | Eastbourne | Brighton | 7 Sep 12 | |
| 595 | 25.8 | | | 25.8 | PB | Ross Pearman | | | | Stratford-upon-Avon | Stratford-upon-Avon | 8 Sep 12 | |
| 595 | 25.8 | | | 25.8 | PB | William Clark | | 02.01.99 | | Royal Sutton Coldfield | Telford | 8 Sep 12 | |
| 627 | 25.81 | | 1.1 | 25.81 | PB | Jonny Savill | | 01.04.98 | | North Somerset | Street | 27 May 12 | |
| 628 | 25.83 | | 0.8 | 25.83 | PB | Ross McFarlane | | | | Scottish Schs | Grangemouth | 8 Jun 12 | |
| 628 | 25.83 | | | 24.86 | | Joshua Akiboye | | 25.03.98 | | Birchfield H | Birmingham (Un) | 20 Jun 12 | |
| 628 | 25.83 | | 0.4 | 25.83 | PB | Fraser Thompson | | | | Crawley | Crawley | 18 Jul 12 | |
| 631 | 25.85 | | -0.7 | 25.85 | PB | Alex Ward | | | | Hallamshire | Cleckheaton | 16 Jun 12 | |
| 631 | 25.85 | | -1.9 | 25.85 | PB | Adam Muscat | | 17.09.97 | | Harrow | Watford | 25 Jul 12 | |
| 633 | 25.86 | i | | 25.86i | PB | Matthew Dalton | | 16.11.98 | Jonathan McWhinney | City of Lisburn | Emirates Arena | 1 Dec 12 | |
| 634 | 25.87 | | 1.0 | 25.87 | PB | George Briggs | | | | Hampshire Schs | Basingstoke | 7 Apr 12 | |
| 634 | 25.87 | | -1.0 | 25.87 | PB | George Welch | | 08.09.97 | | Exeter | Exeter | 13 May 12 | |
| 636 | 25.88 | | | 25.88 | PB | D Smith | | | | Norfolk Schs | Birmingham | 2 Jul 12 | |
| 637 | 25.89 | | | 25.89 | PB | Daniel Burton | | | | North Down | Bangor | 26 May 12 | |
| 637 | 25.89 | | | 25.89 | PB | Ciaran Tracey | | | Lorraine Waknell | Abingdon | Horspath | 27 May 12 | |
| 639 | 25.90 | | | 25.90 | PB | Oliver Wakefield | | 07.01.99 | Claire Scarth | North Down | Belfast | 12 Apr 12 | |
| 640 | 25.9 | | | 25.9 | PB | Matthew Hand | | 30.05.98 | | Slough Junior | Winchester | 22 Apr 12 | |
| 640 | 25.9 | | | 25.78 | | Oliver Kemp | | 13.02.98 | Sam Cater | Bromsgrove & Redditch | Worcester | 6 May 12 | |
| 640 | 25.9 | | | 25.9 | PB | Callum Hempstead | | 21.12.98 | | West Suffolk | Ipswich | 10 May 12 | |
| 640 | 25.9 | | | 25.35 | | Aidan Johnson | | 17.10.97 | | Hallamshire | Doncaster | 19 May 12 | |
| 640 | 25.9 | | | 25.92/25.9 | PB | Thomas Pomeroy | | | | Halifax | Halifax | 20 May 12 | |
| 25.92 | | -0.7 | | | | | | | | Cleckheaton | 16 Jun 12 | |
| 640 | 25.9 | | | 26.32/25.9 | PB | Dwight Daley | | 11.05.99 | | Doncaster | Hull | 20 May 12 | |
| 640 | 25.9 | | | 25.9 | PB | Andrew Graham | | | | Forth Valley | Grangemouth | 24 May 12 | |
| 640 | 25.9 | | | 26.76/25.9 | PB | Aidan Gilbride | | 28.11.97 | Kenneth Clements | East Kilbride | Dumfries | 10 Jun 12 | |
| 640 | 25.9 | | | 30.82/25.9 | PB | Niall Bevan | | 14.10.98 | | Trent Park | Lee Valley | 10 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Prakash Murugathasan | | | | Harrow | Hendon | 12 Jun 12 | |
| 640 | 25.9 | | 0.4 | 25.9 | PB | Eddie Sanoh | | | | London Schs | Battersea | 16 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | K Hodgson | | | | Durham Schs | Jarrow | 16 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Adam Skinner | | | | Corby | Leicester | 16 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Lewis Barrett | | | | Cleveland Schs | Middlesbrough | 16 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Joshua Moore | | 21.11.97 | | Colwyn Bay | Warrington | 17 Jun 12 | |
| 640 | 25.9 | | | 25.0 | | Thomas Randolph | | 07.02.99 | Gordon Densley | Tamworth | Wrexham | 17 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Nathan Everitt | | | | South Yorkshire Schs | Derby | 18 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Connor Todd | | | | Lincolnshire Schs | Derby | 18 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Arriyan Wells | | | | Hertfordshire Schs | Watford | 18 Jun 12 | |
| 640 | 25.9 | | | 27.08/25.9 | PB | Connor Peralta | | 15.11.97 | | Southend | Watford | 18 Jun 12 | |
| 640 | 25.9 | | | 26.81i/25.9 | PB | Adil Ali | | 30.04.99 | Michael Whittaker | Victoria Park & Tower Hamlets | Mile End | 19 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | A Wright | | | | Northumberland Schs | Gateshead | 23 Jun 12 | |
| 640 | 25.9 | | | 25.9 | PB | Kieran McLaughlin | | | | Manchester H | Ashton-Under-Lyne | 8 Jul 12 | |
| 640 | 25.9 | | | 25.9 | PB | Omar Olgarro | | | | Enfield & Haringey | Lee Valley | 8 Jul 12 | |
| 640 | 25.9 | | | 25.9 | PB | Joshia Davis | | 01.02.99 | | Trafford | Stretford | 8 Jul 12 | |
| 640 | 25.9 | | | 26.72/25.8 | | William Aldred | | 13.05.99 | | Trafford | Stretford | 8 Jul 12 | |
| 640 | 25.9 | | | 25.26 | | Simeon Cousins | | 27.06.98 | | Haywards Heath | Horsham | 20 Jul 12 | |
| 640 | 25.9 | | | 24.6 | | Aiden Mcdonald | | | | Lancaster & Morecambe | Lancaster | 21 Jul 12 | |
| 640 | 25.9 | | | 25.9 | PB | Scott Martin | | 30.11.97 | | Marlborough & District Junior | Andover | 22 Jul 12 | |
| 640 | 25.9 | | | 25.9 | PB | Alex Obiorah | | | | Blackpool, Wyre & Fylde | Preston | 11 Aug 12 | |
| 640 | 25.9 | | | 25.9 | PB | Harry Searle | | 05.10.97 | John Mitchell | Cornwall | Carn Brea | 19 Aug 12 | |
| 640 | 25.9 | | | 25.9 | PB | W Ainsley | | | | Windsor Slough Eton & Hounslow | Hillingdon | 19 Aug 12 | |
| 640 | 25.9 | | | 25.9 | PB | Daniel Ogunbamowo | | 25.11.97 | | Chelmsford | Sandy | 19 Aug 12 | |
| 640 | 25.9 | | | 25.9 | PB | Michael Boyd | | 14.09.97 | | Basildon | Ware | 19 Aug 12 | |
| 640 | 25.9 | | | 25.9 | PB | James Lane | | 31.01.98 | | Preston | Preston | 8 Sep 12 | |
| 675 | 25.91 | i | | 25.91i | PB | Ben Stone | | 26.11.98 | Paul Keeble | Stevenage & North Herts | Lee Valley | 14 Jan 12 | |
| 676 | 25.92 | | | 25.92 | PB | Ryan Green | | 19.07.98 | Mike Bateman | Morpeth | Gateshead | 11 Jul 12 | |
| 677 | 25.95 | | | 25.95 | PB | Jonathan Miller | | | | North Down | Bangor | 28 Aug 12 | |
| 678 | 25.97 | | | 25.97 | PB | Luc Hanna | | | | Northern Ireland Schs | Antrim | 19 May 12 | |
| 678 | 25.97 | | | 25.97 | PB | P McKelvey | | | | Scottish Schs | Grangemouth | 21 Jun 12 | |
| 678 | 25.97 | | | 25.97 | PB | Michael Thornton | | 09.03.98 | | Exeter | Exeter | 31 Jul 12 | |
| 681 | 25.99 | | 0.4 | 25.99 | PB | Jaspal Saundh | | | | Maidenhead | Bracknell | 31 Mar 12 | |
| 681 | 25.99 | | -2.5 | 25.99 | PB | R Ogunjobi | | | | Greater Manchester Schs | Stretford | 16 Jun 12 | |
| 683 | 26.0 | | | 26.04/26.0 | PB | Daniel Harris | | 21.11.97 | | Sutton & District | Crawley | 8 Apr 12 | |
| 26.04 | | 0.7 | | | | | | | | Crystal Palace | 1 Apr 12 | |
| 683 | 26.0 | | | 26.0 | PB | Lewis Brailli | | | | Reading AC | Bracknell | 28 Apr 12 | |
| 683 | 26.0 | | | 26.0 | PB | Lorenzo Saunders | | | | Highgate | Parliament Hill | 6 May 12 | |
| 683 | 26.0 | | | 26.0 | PB | Dion King | | 16.10.98 | Dominic McNeillis | Halesowen | Worcester | 12 May 12 | |
| 683 | 26.0 | | | 26.0 | PB | Miles Taylor | | | | Wiltshire Schs | Tidworth | 13 May 12 | |
| 683 | 26.0 | | | 26.0 | PB | Jason Bui | | | | Greenwich Tritons | Eltham | 16 May 12 | |
| 683 | 26.0 | | | 26.0 | PB | James Amos | | | | Chichester | Guildford | 20 May 12 | |
| 683 | 26.0 | | | 26.50/26.0 | PB | Harry McHugh | | | | Yeovil | Yeovil | 20 May 12 | |
| 25.70 | w | 3.8 | | | | | | | | Exeter | 8 Jul 12 | |
| 683 | 26.0 | | | 26.0 | PB | Gregor Gywnne | | | | Forth Valley | Grangemouth | 24 May 12 | |
| 683 | 26.0 | | | 27.36i/25.8 | | Albie Langdon | | 07.10.98 | | Herts Phoenix | Grays | 27 May 12 | |
| 683 | 26.0 | | | 26.46i/26.0 | PB | Jordan Bailey | | 26.03.99 | | Orion | Hemel Hempstead | 27 May 12 | |
| 683 | 26.0 | | | 26.0 | PB | Delanyo Tettevi | | | | Enfield & Haringey | Hendon | 12 Jun 12 | |
| 683 | 26.0 | | | 25.33 | | Dylan Rubini | | 07.09.97 | Paul MacGregor | St. Mary's Richmond | Hendon | 12 Jun 12 | |
| 683 | 26.0 | | | 32.36/26.0 | PB | Cory Bloxham | | 13.09.97 | | Bedford & County | Bedford | 13 Jun 12 | |
| 683 | 26.0 | | | 26.0 | PB | Jack Scholes | | | | Lincolnshire Schs | Boston | 16 Jun 12 | |
| 683 | 26.0 | | | 26.0 | PB | G Jackson | | | | Northamptonshire Schs | Corby | 16 Jun 12 | |
| 683 | 26.0 | | | 26.0 | PB | Jack Burton | | 23.10.98 | | Wakefield | Derby | 18 Jun 12 | |
| 683 | 26.0 | | | 26.13/26.0 | PB | Jonathan Harrison | | 17.04.99 | Terence Stone | Kingston upon Hull | York | 23 Jun 12 | |
| 683 | 26.0 | | | 26.0 | PB | Thomas Fresen | | 13.12.97 | | Nene Valley | King's Lynn | 1 Jul 12 | |
| 683 | 26.0 | | | 26.12/25.3i | | Andrew Pearson | | 23.05.98 | | Bromsgrove & Redditch | Worcester | 8 Jul 12 | |
| 26.12 | | | | | | | | | | Birmingham (Un) | 20 Jun 12 | |
| 683 | 26.0 | | | 25.90i/24.0 | | Tyler Williams | | 21.05.98 | Kevin Williams | Newport | Cwmbran | 28 Jul 12 | |
| 683 | 26.0 | | | 24.86i | | Nick Barratt | | 25.09.97 | Joe Frost | DASH | Wrexham | 11 Aug 12 | |
| 683 | 26.0 | | | 26.0 | PB | Jack Ladhams | | 21.11.97 | Ian Byett | Basingstoke & Mid Hants | Hillingdon | 19 Aug 12 | |
| 683 | 26.0 | | | 26.31/26.0 | PB | Robert Alabaster | | | | Benfleet RC | Luton | 19 Aug 12 | |
| 683 | 26.0 | | | 26.0 | PB | Harry Croft | | 12.10.98 | | Luton | Luton | 19 Aug 12 | |
| 683 | 26.0 | | | 26.05/25.6 | | Steven Thompson | | 26.10.97 | Gary Myles | Cannock & Stafford | Stoke | 26 Aug 12 | |
| 26.05 | | | | | | | | | | Stoke | 21 Apr 12 | |
| 683 | 26.0 | | -1.2 | 26.0 | PB | Jack Smith | | 19.04.99 | | Swansea | Swansea | 26 Aug 12 | |
| 683 | 26.0 | | | 26.23/25.0i | | Cameron Greenslade | | 22.04.98 | Darrell Maynard | Cwmbran | Cwmbran | 8 Sep 12 | |
| 26.23 | | | | | | | | | | Aberdare | 26 May 12 | |
| 683 | 26.0 | | | 25.21i | | Lotanna Ezeike | | 09.09.97 | Mark Lancaster | Cambridge H | Eltham | 8 Sep 12 | |
| 683 | 26.0 | | | 26.45/26.0 | PB | Daniel Rugg | | 28.10.98 | | Basildon | Stevenage | 16 Sep 12 | |
| 683 | 26.0 | i | | 25.66i | | Ben Lomako | | 13.01.99 | | Ayr Seaforth | Glasgow | 16 Dec 12 | |
| 714 | 26.01 | | | 26.01 | PB | Max Staggs-Willox | | | | Essex Schs | Southend | 28 Apr 12 | |
| 25.80 | w | 3.4 | | | | | | | | Southend | 28 Apr 12 | |
| 714 | 26.01 | | | 26.01 | PB | Nathan Lewis | | | | Ivanhoe Rob | Horspath | 27 May 12 | |
| 714 | 26.01 | | 0.3 | 26.01 | PB | Joel Perrington | | | | Cardiff & The Vale Schs | Cardiff | 31 May 12 | |
| 714 | 26.01 | | | 26.01 | PB | Tim McKee | | | | Somerset Schs | Yeovil | 16 Jun 12 | |
| 714 | 26.01 | i | | 25.94i | | Tom Matthewson | | 13.10.98 | Mike Cooke | Doncaster | Sheffield | 4 Nov 12 | |
| 719 | 26.03 | | -0.3 | 26.03 | PB | Robert Rodney | | 02.02.98 | | Newport | Cardiff | 4 Jun 12 | |
| 720 | 26.06 | | 1.6 | 26.06 | PB | Lewis Pascoe | | 04.08.98 | Jeffrey Hector | Newquay & Par | Exeter | 27 May 12 | |
| 26.01 | w | 2.1 | | | | | | | | Exeter | 15 Jul 12 | |
| 720 | 26.06 | | | 26.06 | PB | Ben Mitchell | | 09.03.98 | | Houghton Harriers | Gateshead | 11 Jul 12 | |
| 720 | 26.06 | | | 26.06 | PB | Dominic Allen | | 05.09.97 | George Eccles | Exeter | Exeter | 2 Sep 12 | |
| 25.70 | w | 3.8 | | | | | | | | Exeter | 8 Jul 12 | |
| 723 | 26.07 | | | 26.07 | PB | Jordan Soloman | | | | Oxford City | Horspath | 22 Jul 12 | |
| 724 | 26.09 | | 0.7 | 26.09 | PB | Kofi Jackson | | 31.10.97 | | S Factor | Crystal Palace | 1 Apr 12 | |
| 724 | 26.09 | | 0.5 | 26.09 | PB | Ben O'Neill | | | | Kilmarnock | Grangemouth | 8 Jun 12 | |
| 726 | 26.10 | | | 26.10 | PB | Will Scott | | | | Devon Schs | Exeter | 31 Jul 12 | |
| 727 | 26.1 | | | 26.1 | PB | C Chambers | | | | Amber Valley | Derby | 21 Apr 12 | |
| 727 | 26.1 | | | 28.18/26.1 | PB | Nikko Hunt | | 17.02.98 | Tim Snowdon | Andover | Andover | 22 Apr 12 | |
| 727 | 26.1 | | | 26.1 | PB | Jai Adusei-Charles | | | | Enfield & Haringey | St Albans | 29 Apr 12 | |
| 727 | 26.1 | | | 26.1 | PB | Mustafa Khoshal | | | | Newham & Essex Beagles | Eltham | 20 May 12 | |
| 727 | 26.1 | | | 26.53/26.1 | PB | Alexander Hornshaw | | 05.09.97 | Stephen Wymark | Kingston upon Hull | Hull | 20 May 12 | |
| 727 | 26.1 | | | 26.1 | PB | Will Harris | | 08.10.97 | | Holland Sports | Woking | 20 May 12 | |
| 727 | 26.1 | | | 26.69/25.9 | | Luke Garwood | | | | Enfield & Haringey | Hemel Hempstead | 27 May 12 | |
| 727 | 26.1 | | | 26.1 | PB | Matt Asir | | | | Middlesex Schs | Hendon | 12 Jun 12 | |
| 727 | 26.1 | | | 26.0 | | Peter Kimodo | | | | Bedfordshire Schs | Bedford | 13 Jun 12 | |
| 727 | 26.1 | | | 26.1 | PB | Harry Taylor | | | | Dartford H | Ashford | 16 Jun 12 | |
| 727 | 26.1 | | -0.7 | 26.66i/26.1 | PB | Sheriff Adeyemi | | | | Newham & Essex Beagles | Battersea | 16 Jun 12 | |
| 727 | 26.1 | | | 26.1 | PB | Matthew Ellin | | | | Dyfed Schs | Carmarthen | 16 Jun 12 | |
| 727 | 26.1 | | | 26.1 | PB | J Hayward | | | | North Yorkshire Schs | York | 16 Jun 12 | |
| 727 | 26.1 | | | 26.96/26.1 | PB | Daniel Skinner | | 19.11.97 | | Lincoln Wellington | Scunthorpe | 17 Jun 12 | |
| 727 | 26.1 | | | 26.1 | PB | Joe Hughes | | | | Tynedale | Whitley Bay | 17 Jun 12 | |
| 727 | 26.1 | | | 26.1 | PB | Joe O'Hara | | 26.09.97 | | Darlington H | Darlington | 19 Jun 12 | |
| 727 | 26.1 | | | 25.47/25.2 | | Will Schofield | | 25.03.99 | Carl Worthington | Sale Harriers Manchester | Stretford | 24 Jun 12 | |
| 727 | 26.1 | | | 27.10/25.0 | | Matthew Duguid | | 19.05.98 | | Banchory Stonehaven | Dundee | 1 Jul 12 | |
| 727 | 26.1 | | | 26.1 | PB | Sam Waite | | | | Great Yarmouth | Great Yarmouth | 3 Jul 12 | |
| 727 | 26.1 | | | 26.1 | PB | Luke Circo | | 20.12.98 | | Richmond & Zetland | Darlington | 17 Jul 12 | |
| 727 | 26.1 | | | 26.1 | PB | Fabrice Kisela | | 02.01.98 | Andy Bibby | Preston | Blackpool | 25 Aug 12 | |
| 727 | 26.1 | | -1.2 | 26.24/26.1 | PB | Ben Turner | | 05.02.98 | Colin Davies | Swansea | Swansea | 26 Aug 12 | |
| 26.24 | | 1.2 | | | | | | | | Brecon | 19 Aug 12 | |
| 727 | 26.1 | | | 26.19i/26.1 | PB | Savan Patel | | 29.10.97 | | Halesowen | Derby | 2 Sep 12 | |
| 727 | 26.1 | | | 26.1 | PB | Ashley Waterson | | 21.12.97 | Tim Ash | City of Norwich | Stevenage | 16 Sep 12 | |
| 751 | 26.11 | | 0.3 | 24.80/24.7 | | Peter Banks | | 08.01.99 | Peter Le Rossignol | Ashford AC | Ashford | 19 Sep 12 | |
| 752 | 26.12 | | 0.3 | 26.12 | PB | Tay Reid | | 14.02.98 | Anne Stewart | Giffnock North | Sportcity | 1 Sep 12 | |
| 753 | 26.13 | | 0.0 | 26.13 | PB | Anyalemma Igwe | | | | Cambridgeshire Schs | Peterborough | 12 May 12 | |
| 754 | 26.14 | | | 26.14 | PB | Chris Kelly | | 10.07.98 | | Taunton | Exeter | 2 Sep 12 | |
| 755 | 26.15 | | 0.1 | 26.15 | PB | Joe Domingues | | 09.07.98 | | East Grinstead | Crystal Palace | 1 Apr 12 | |
| 756 | 26.16 | i | | 26.16i | PB | Sam Jones | | 15.05.98 | | Cardiff & The Vale Schs | Cardiff | 22 Jan 12 | |
| 757 | 26.17 | i | | 25.41i | | Sam Preston | | | | Halesowen | Birmingham | 19 Feb 12 | |
| 26.2 | | | | | | | | | | Telford | 8 Sep 12 | |
| 758 | 26.18 | i | | 26.18i/25.5 | PB | Shazan Ahmed | | 07.09.98 | | Vale of Aylesbury | Lee Valley | 4 Feb 12 | |
| 759 | 26.19 | | 0.0 | 24.32 | | Ryan Craze | | 26.02.99 | Angela Briscoe | White Horse | Horspath | 19 Sep 12 | |
| 760 | 26.2 | | | 25.28 | | Luke Newman | | 13.12.97 | | City of Portsmouth | Portsmouth | 14 Apr 12 | |
| 760 | 26.2 | | | 26.37/25.7 | | Obinna Ezi | | 30.09.97 | Martin Bishell | City of Sheffield | Preston | 6 May 12 | |
| 760 | 26.2 | | | 26.2 | PB | S Cataway | | | | Suffolk Schs | Ipswich | 10 May 12 | |
| 760 | 26.2 | | | 26.47/26.2 | PB | Rohan Henry | | 12.11.97 | Paul Weston | Croydon | Kingston | 13 May 12 | |
| 760 | 26.2 | | | 27.26/25.1 | | Jason Bennett | | 05.03.98 | | Crewe & Nantwich | Bebington | 20 May 12 | |
| 760 | 26.2 | | | 27.77/26.2 | PB | Yinka Sodipo | | | Karl Sumun | Thurrock | Grays | 27 May 12 | |
| 760 | 26.2 | | | 26.31/26.2 | PB | Keir Carmichael | | 14.03.98 | Ricky Miell | Kilbarchan | Linwood | 29 May 12 | |
| 760 | 26.2 | | | 27.48/26.2 | PB | Liam Holbrook | | 29.06.98 | Roger Williams | Hillingdon | Eton | 10 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Lloyd | | | | Nottinghamshire Schs | Nottingham | 15 Jun 12 | |
| 760 | 26.2 | | | 26.49/26.2 | PB | Niall Ekwuru | | | | Cambridgeshire Schs | Cambridge | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | J Dixon | | | | Durham Schs | Jarrow | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Jack Pyne | | | | Warwickshire Schs | Leamington Spa | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Elliott Row | | | | Warwickshire Schs | Leamington Spa | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | E Grange | | | | Cornwall Schs | Par | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | T Ward | | | | Staffordshire Schs | Stoke | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Noah Longley | | | | Staffordshire Schs | Stoke | 16 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Fisher | | | | Oxfordshire Schs | Abingdon | 17 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Stephen Hodge | | 19.03.98 | | Holland Sports | Guildford | 17 Jun 12 | |
| 760 | 26.2 | | | 26.62/26.2 | PB | Jordi Osei-Tutu | | | | Wycombe | Eton | 18 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Kristian Brown | | 22.10.98 | Louise Mathews | Basildon | Watford | 18 Jun 12 | |
| 760 | 26.2 | | | 28.07/26.2 | PB | Jamie Walling | | | | Essex Schs | Watford | 18 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Lewis White | | | | London Schs | Mile End | 19 Jun 12 | |
| 760 | 26.2 | | | 26.2 | PB | Declan Green | | | | Shropshire Schs | Shrewsbury | 30 Jun 12 | |
| 760 | 26.2 | | | 26.58/26.2 | PB | Samuel Durnan | | 27.11.98 | | Huntingdonshire | Colchester | 1 Jul 12 | |
| 760 | 26.2 | | | 26.2 | PB | Scott Harburn | | 13.01.98 | | Bournemouth | Swindon | 1 Jul 12 | |
| 760 | 26.2 | | | 26.2 | PB | Nicholas Sherry | | 27.12.98 | | Cheltenham | Cheltenham | 25 Jul 12 | |
| 760 | 26.2 | | | 26.2 | PB | Tom Colby | | | | Harlow AC | Ware | 19 Aug 12 | |
| 760 | 26.2 | | | 25.23i | | Greg Kelly | | 11.04.99 | | Whitemoss | Wishaw | 1 Sep 12 | |
| 760 | 26.2 | | | 24.45i | | Callum Field | | 29.06.99 | | East Kilbride | Wishaw | 1 Sep 12 | |
| 760 | 26.2 | | | 26.2 | PB | Daniel Downes | | 19.08.98 | | City of York | York | 8 Sep 12 | |
| 760 | 26.2 | | | 26.37i/26.2 | PB | Oliver Wagner | | | | Annan | Dumfries | 16 Sep 12 | |
| 760 | 26.2 | | | 26.66i/26.2 | PB | James Colwell | | 04.08.98 | | Dartford H | Dartford | 30 Sep 12 | |
| 792 | 26.21 | | -0.9 | 26.21 | PB | Cameron Brown | | 02.09.98 | | Giffnock North | Sportcity | 1 Sep 12 | |
| 793 | 26.22 | | | 26.22 | PB | Seb Potter | | | | Scottish Schs | Edinburgh | 6 Jun 12 | |
| 793 | 26.22 | | | 26.22 | PB | A Yeates | | | | Oxfordshire Schs | Birmingham | 2 Jul 12 | |
| 793 | 26.22 | | | 26.22 | PB | James Whiteaker | | 08.10.98 | | Tonbridge | Tonbridge | 27 Aug 12 | |
| 796 | 26.23 | | -3.0 | 26.23 | PB | Tom Pugh | | | | Powys Schs | Brecon | 7 Jul 12 | |
| 797 | 26.25 | | | 25.10 | | Ryan Osbourne | | | | Dromore | Belfast | 12 Apr 12 | |